The Details View control is a Rich Data Control introduced in .NET 2.0 that allows you to see more details for one record. In addition, it also allows for inserting, updating, and deleting records as well. In this example, I am using a Gridview with custom paging to display a list of basketball players and their stats, and I have added a column, which when clicked, will show that specific player’s details.
Here is what we are trying to accomplish: Gridview Details View Example
Aspx and Code Behind
GridviewDetailsView.aspx
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Inherits="GridViewDetailsView" EnableViewState="true"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>Learn About ASP.net | Gridview Details View Example</title>
<script src="javascript/jquery/jquery-1.2.6.min.js" type="text/javascript"></script>
<script src="javascript/jquery/calendarDateInput.js" type="text/javascript"></script>
<link rel="Stylesheet" type="text/css" media="screen" href="css/style.css" />
</head>
<body>
<form id="form1" runat="server">
<input id="hdnBirthDateSelected" type="hidden" name="hdnBirthDateSelected" runat="server">
<input id="hdnBirthDateSelectedUnformatted" type="hidden" name="hdnBirthDateSelectedUnformatted" runat="server">
<div>
<asp:GridView ID="grdPlayers" runat="server" AutoGenerateColumns="false" CellPadding="5"
CellSpacing="2" DataKeyNames="ID" AllowPaging="true" PageSize="10" AllowSorting="true">
<HeaderStyle CssClass="GridHeader" />
<PagerStyle CssClass="GridFooter" />
<EditRowStyle CssClass="GridEditingRow" />
<RowStyle CssClass="GridRow" />
<AlternatingRowStyle CssClass="GridAlternateRow" />
<Columns>
<asp:BoundField DataField="ID" HeaderText="" Visible="false" />
<asp:BoundField DataField="FirstName" HeaderText="First Name" SortExpression="FirstName" />
<asp:BoundField DataField="LastName" HeaderText="Last Name" SortExpression="LastName" />
<asp:BoundField DataField="PPG" HeaderText="PPG" SortExpression="PPG" />
<asp:BoundField DataField="RPG" HeaderText="RPG" SortExpression="RPG" />
<asp:BoundField DataField="APG" HeaderText="APG" SortExpression="APG" />
<asp:BoundField DataField="FGPercentage" HeaderText="FG %" SortExpression="FGPercentage" />
<asp:BoundField DataField="FTPercentage" HeaderText="FT %" SortExpression="FTPercentage" />
<asp:BoundField DataField="THPercentage" HeaderText="3 PT %" SortExpression="THPercentage" />
<asp:BoundField DataField="BPG" HeaderText="BPG" SortExpression="BPG" />
<asp:BoundField DataField="SPG" HeaderText="SPG" />
<asp:ButtonField CommandName="View" Text="View Player Info" ButtonType="Link" />
</Columns>
<PagerTemplate>
<asp:LinkButton ID="first" runat="server" CommandArgument="First" CommandName="Page"> </asp:LinkButton>
<asp:LinkButton ID="prev" runat="server" CommandArgument="Prev" CommandName="Page"></asp:LinkButton>
Page
<asp:DropDownList ID="pages" runat="server" AutoPostBack="True">
</asp:DropDownList>
of
<asp:Label ID="count" runat="server"></asp:Label>
<asp:LinkButton ID="next" runat="server" CommandArgument="Next" CommandName="Page"></asp:LinkButton>
<asp:LinkButton ID="last" runat="server" CommandArgument="Last" CommandName="Page"></asp:LinkButton>
|| Showing
<asp:TextBox ID="txtPages" runat="server" Width="50" AutoPostBack="true"></asp:TextBox>
per page
<asp:Label runat="server" ID="lblRange"></asp:Label>
</PagerTemplate>
</asp:GridView>
<div style="padding-top: 10px;">
<div id="errorDiv" runat="server"></div>
<asp:DetailsView ID="vwPlayers" runat="server" DataKeyNames="ID" AutoGenerateRows="false"
CellPadding="5" CellSpacing="2" Width="500">
<HeaderStyle CssClass="GridHeader" />
<RowStyle CssClass="GridRow" />
<AlternatingRowStyle CssClass="GridAlternateRow" />
<Fields>
<asp:BoundField DataField="FirstName" HeaderText="First Name" ReadOnly="true" />
<asp:BoundField DataField="LastName" HeaderText="Last Name" ReadOnly="true"/>
<asp:TemplateField HeaderText="NickName">
<EditItemTemplate>
<asp:TextBox ID="txtNickName" runat="server" Text='<%# Bind("NickName") %>'></asp:TextBox>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="lblNickName" runat="server" Text='<%# Bind("NickName") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="Height" HeaderText="Height" ReadOnly="true"/>
<asp:TemplateField HeaderText="Weight">
<EditItemTemplate>
<asp:TextBox ID="txtWeight" runat="server" Text='<%# Bind("Weight") %>'></asp:TextBox>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="lblWeight" runat="server" Text='<%# Bind("Weight") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Position">
<EditItemTemplate>
<asp:DropDownList runat="server" ID="ddlPositions" EnableViewState="false"></asp:DropDownList>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="lblPosition" runat="server" Text='<%# Bind("PosLetters") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="BirthDate">
<EditItemTemplate>
<asp:TextBox ID="txtBirthDate" runat="server" Text='<%# Bind("BirthDate") %>' Visible="false"></asp:TextBox>
<center>
<div id="birthDateDiv" runat="server" >
<script>DateInput('birthdate',true,'DD-MON-YYYY')</script>
</div>
</center>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="lblBirthDate" runat="server" Text='<%# Bind("BirthDate") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:CommandField ShowEditButton="True" />
</Fields>
<HeaderTemplate>
<%#Eval("FirstName") %> <%#Eval("LastName") %>
</HeaderTemplate>
</asp:DetailsView>
</div>
</div>
</form>
</body>
</html> |
Ok, so you can see here that our Gridview looks pretty much the same as our first Gridview example except with the added ButtonField column to to view the player details. And below that is our details view. Notice we set the ReadOnly attribute for the First Name, Last Name, and Height to true, rendering them not editable when we enter edit mode. For the remaining fields, we use a Template Field, and within that, an Edit Item Template for how the fields will look when we enter Edit mode, and an Item Template for how it will look normally.
GridviewDetailsView.aspx.cs
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using System.Collections;
using System.Collections.Specialized;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using LearnAboutASP;
using LearnAboutASP.Utility;
using System.Text;
public partial class GridViewDetailsView : System.Web.UI.Page
{
public DataSet dsPlayers;
public DataTable dtPlayers;
public Player p;
public PlayerStats ps;
DataTable dtPlayerDetails;
List<string> errorsList;
#region properties
public string ViewStatePlayerID
{
get
{
if (ViewState["PlayerID"] != null)
{
return ViewState["PlayerID"].ToString();
}
else
{
return "0";
}
}
set
{
ViewState["PlayerID"] = value;
}
}
public string ViewStatePositionID
{
get
{
if (ViewState["PositionID"] != null)
{
return ViewState["PositionID"].ToString();
}
else
{
return "0";
}
}
set
{
ViewState["PositionID"] = value;
}
}
public string BirthdayString
{
get
{
if (ViewState["BDay"] != null)
{
return ViewState["BDay"].ToString();
}
else
{
return "";
}
}
set
{
ViewState["BDay"] = value;
}
}
private int playerID;
public int PlayerID
{
get { return playerID; }
set { playerID = value; }
}
private string firstName;
public string FirstName
{
get { return firstName; }
set { firstName = value; }
}
private string lastName;
public string LastName
{
get { return lastName; }
set { lastName = value; }
}
private string nickName;
public string NickName
{
get { return nickName; }
set { nickName = value; }
}
private int number;
public int Number
{
get { return number; }
set { number = value; }
}
private string weight;
public string Weight
{
get { return weight; }
set { weight = value; }
}
private string fullHeight;
public string FullHeight
{
get { return fullHeight; }
set { fullHeight = value; }
}
private int heightFeet;
public int HeightFeet
{
get { return heightFeet; }
set { heightFeet = value; }
}
private int heightInches;
public int HeightInches
{
get { return heightInches; }
set { heightInches = value; }
}
private string position;
public string Position
{
get { return position; }
set { position = value; }
}
private string birthDate;
public string BirthDate
{
get { return birthDate; }
set { birthDate = value; }
}
public string SortDirection
{
get
{
if (ViewState["SortDirection"] == null)
{
ViewState["SortDirection"] = "ASC";
}
return ViewState["SortDirection"].ToString();
}
set
{
ViewState["SortDirection"] = value;
}
}
public string SortColumn
{
get
{
if (ViewState["SortColumn"] == null)
{
ViewState["SortColumn"] = "LastName";
return "LastName";
}
else
{
return ViewState["SortColumn"].ToString();
}
}
set
{
ViewState["SortColumn"] = value;
}
}
public string PerPage
{
get
{
if (ViewState["PerPage"] != null)
{
return ViewState["PerPage"].ToString();
}
else
{
ViewState["PerPage"] = RowsPerPage.ToString();
return ViewState["PerPage"].ToString();
}
}
set
{
ViewState["PerPage"] = value;
}
}
/*
public string PerPage
{
get
{
if (Session["PerPage"] != null)
{
return Session["PerPage"].ToString();
}
else
{
if (!IsPostBack)
{
if (Request.QueryString.Get("pp") != null)
{
Session["PerPage"] = Request.QueryString.Get("pp");
return Session["PerPage"].ToString();
}
else
{
Session["PerPage"] = RowsPerPage.ToString();
return Session["PerPage"].ToString();
}
}
else
{
Session["PerPage"] = RowsPerPage.ToString();
return Session["PerPage"].ToString();
}
}
}
set
{
Session["PerPage"] = value;
}
}
*/
#endregion
#region ColumnIndexes
public const int INDEX_FIRSTNAME = 1;
public const int INDEX_LASTNAME = 2;
public const int INDEX_NICKNAME = 3;
public const int INDEX_HEIGHT = 4;
public const int INDEX_WEIGHT = 5;
public const int INDEX_NUMBER = 6;
#endregion
#region Constants
public const int RowsPerPage = 10;
#endregion
protected void LoadGridView()
{
ps = new PlayerStats();
p = new Player();
dtPlayers = new DataTable();
dtPlayers = LearnAboutASP.PlayerDAL.GetPlayers(SortDirection, SortColumn, ps, p);
grdPlayers.DataSource = dsPlayers;
grdPlayers.DataBind();
}
protected void SetGridFooter()
{
string pageSizeMessage = "";
int pageIndex = 0;
int pageSize = 0;
if (dtPlayers != null)
{
if (dtPlayers.Rows.Count > 0)
{
grdPlayers.PageSize = Convert.ToInt32(PerPage);
grdPlayers.AllowPaging = true;
grdPlayers.PagerSettings.Visible = true;
grdPlayers.DataSource = dtPlayers;
grdPlayers.DataBind();
GridViewRow row = grdPlayers.BottomPagerRow;
TextBox txtPages = (TextBox)row.Cells[0].FindControl("txtPages");
txtPages.Text = grdPlayers.PageSize.ToString();
pageIndex = grdPlayers.PageIndex;
pageSize = grdPlayers.PageSize;
if (pageIndex == 0 && dtPlayers.Rows.Count >= pageSize)
{
pageSizeMessage = "Displaying 1 to " + pageSize + " of " + dtPlayers.Rows.Count.ToString();
}
else if (pageIndex == 0 && dtPlayers.Rows.Count < pageSize)
{
pageSizeMessage = "Displaying 1 to " + dtPlayers.Rows.Count.ToString() + " of " + dtPlayers.Rows.Count.ToString();
}
else if (pageIndex < (grdPlayers.PageCount - 1))
{
pageSizeMessage = "Displaying " + (((pageSize) * (pageIndex)) + 1) + " to " + (pageSize * (pageIndex + 1)) + " of " + dtPlayers.Rows.Count.ToString();
}
else
{
pageSizeMessage = "Displaying " + (((pageSize) * (pageIndex)) + 1) + " to " + dtPlayers.Rows.Count.ToString() + " of " + dtPlayers.Rows.Count.ToString();
}
Label lblRange = (Label)row.Cells[0].FindControl("lblRange");
lblRange.Text = "";
lblRange.Text = " || " + pageSizeMessage + " || " + dtPlayers.Rows.Count.ToString() + " Records Total";
}
}
}
#region EventHandlers
protected void LoadEventHandlers()
{
grdPlayers.DataBound += new EventHandler(grdPlayers_DataBound);
grdPlayers.RowDataBound += new GridViewRowEventHandler(grdPlayers_RowDataBound);
grdPlayers.PreRender += new EventHandler(grdPlayers_PreRender);
grdPlayers.RowCreated += new GridViewRowEventHandler(grdPlayers_RowCreated);
grdPlayers.PageIndexChanging += new GridViewPageEventHandler(grdPlayers_PageIndexChanging);
grdPlayers.Sorting += new GridViewSortEventHandler(grdPlayers_Sorting);
grdPlayers.RowEditing += new GridViewEditEventHandler(grdPlayers_RowEditing);
grdPlayers.RowUpdating += new GridViewUpdateEventHandler(grdPlayers_RowUpdating);
grdPlayers.RowCancelingEdit += new GridViewCancelEditEventHandler(grdPlayers_RowCancelingEdit);
grdPlayers.RowCommand +=new GridViewCommandEventHandler(grdPlayers_RowCommand);
vwPlayers.ModeChanging +=new DetailsViewModeEventHandler(vwPlayers_ModeChanging);
vwPlayers.ModeChanged +=new EventHandler(vwPlayers_ModeChanged);
vwPlayers.ItemUpdating +=new DetailsViewUpdateEventHandler(vwPlayers_ItemUpdating);
vwPlayers.DataBound +=new EventHandler(vwPlayers_DataBound);
}
protected void LoadViewDropDowns()
{
DropDownList ddl;
ListItem item;
string value = "";
string text = "";
if (vwPlayers.CurrentMode == DetailsViewMode.Edit)
{
try
{
ddl = ((DropDownList)(vwPlayers.FindControl("ddlPositions")));
DataTable dt = new DataTable();
dt = PlayerDAL.GetPositions();
value = "0";
text = "Select";
item = new ListItem(text, value);
ddl.Items.Add(item);
for (int i = 0; i < dt.Rows.Count; i++)
{
value = dt.Rows[i]["ID"].ToString();
text = dt.Rows[i]["Position"].ToString();
item = new ListItem(text, value);
ddl.Items.Add(item);
}
ddl.Items.FindByValue(ViewStatePositionID).Selected = true;
}
catch
{
}
}
}
protected void vwPlayers_DataBound(object sender, EventArgs e)
{
this.LoadViewDropDowns();
this.SaveBDayServerSide();
}
private void SaveBDayServerSide()
{
HtmlGenericControl birthDateDiv;
if(vwPlayers.CurrentMode == DetailsViewMode.Edit)
{
if (Utilities.IsValidDate(BirthdayString))
{
hdnBirthDateSelected.Value = DateTime.Parse(BirthdayString).ToShortDateString();
BirthdayString = Utilities.ReturnDateDDMMYYYY(BirthdayString);
}
else
{
BirthdayString = Utilities.ReturnDateDDMMYYYY("");
}
hdnBirthDateSelectedUnformatted.Value = BirthdayString;
birthDateDiv = ((HtmlGenericControl)(vwPlayers.FindControl("birthDateDiv")));
birthDateDiv.InnerHtml = "<script>DateInput('birthdate',true,'DD-MON-YYYY','" + BirthdayString.ToString() + "')</script>";
}
}
protected void vwPlayers_ItemUpdating(object sender, DetailsViewUpdateEventArgs e)
{
PlayerID = (int)vwPlayers.DataKey.Value;
TextBox txtNickNames = (TextBox)vwPlayers.FindControl("txtNickName");
TextBox txtWeight = (TextBox)vwPlayers.FindControl("txtWeight");
// TextBox txtBirthDate = (TextBox)vwPlayers.FindControl("txtBirthDate");
DropDownList ddlPositions = (DropDownList)vwPlayers.FindControl("ddlPositions");
NickName = txtNickNames.Text;
Weight = txtWeight.Text;
// BirthDate = txtBirthDate.Text;
BirthDate = hdnBirthDateSelected.Value;
Position = Request.Form.Get(ddlPositions.UniqueID.ToString());
errorsList = new List<string>();
if (Utilities.IsDecimal(Weight) == false)
{
errorsList.Add("You must enter in a valid numeric value for the player's weight.");
}
if (Utilities.IsValidDate(BirthDate) == false)
{
errorsList.Add("You must enter in a valid date for the player's birthdate.");
}
if (errorsList.Count == 0) // update info
{
p = new Player();
p.PlayerID = PlayerID.ToString();
p.NickName = NickName;
p.Position = Position;
p.Weight = Weight;
p.BirthDate = BirthDate;
PlayerDAL.UpdatePlayerInfoByPlayerID(p);
vwPlayers.ChangeMode(DetailsViewMode.ReadOnly);
BindDetailsView();
errorDiv.InnerHtml = "";
errorDiv.InnerText = "";
SaveBDayServerSide();
}
else
{
Utilities.DisplayErrors(errorDiv, errorsList);
LoadViewDropDowns();
}
}
protected void vwPlayers_ModeChanged(object sender, EventArgs e)
{
DropDownList ddl;
}
protected void vwPlayers_ModeChanging(object sender, DetailsViewModeEventArgs e)
{
vwPlayers.ChangeMode(e.NewMode);
DropDownList ddl;
if (e.NewMode == DetailsViewMode.Edit)
{
//Response.Write(vwPlayers.Rows[5].Cells[1].Controls[1].ClientID.ToString());
}
BindDetailsView();
}
protected void BindDetailsView()
{
Player pi = new Player();
pi.PlayerID = ViewStatePlayerID;
dtPlayerDetails = PlayerDAL.GetPlayerInfoByPlayerID(pi);
DataRow[] drv = dtPlayerDetails.Select(" ID = '" + ViewStatePlayerID + "'");
BirthdayString = drv[0]["BirthDate"].ToString();
vwPlayers.DataSource = dtPlayerDetails;
vwPlayers.DataBind();
}
protected void BindGridForEditing()
{
grdPlayers.DataSource = dsPlayers;
grdPlayers.DataBind();
}
protected void grdPlayers_RowCommand(object sender,GridViewCommandEventArgs e)
{
if (e.CommandName == "View")
{
int index = Convert.ToInt32(e.CommandArgument);
string result = grdPlayers.DataKeys[index].Value.ToString();
dtPlayerDetails = new DataTable();
Player pi = new Player();
pi.PlayerID = result;
ViewStatePlayerID = result;
dtPlayerDetails = PlayerDAL.GetPlayerInfoByPlayerID(pi);
DataRow[] drv = dtPlayerDetails.Select(" ID = '" + result + "'");
string positionID = drv[0]["PositionID"].ToString();
BirthdayString = drv[0]["BirthDate"].ToString();
ViewStatePositionID = positionID;
vwPlayers.DataSource = dtPlayerDetails;
vwPlayers.DataBind();
}
this.LoadGridView();
this.SetGridFooter();
}
protected void grdPlayers_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
// set the edit index to -1, meaning no row is being editted.
grdPlayers.EditIndex = -1;
this.LoadGridView();
this.SetGridFooter();
}
protected void grdPlayers_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
PlayerID = Convert.ToInt32(grdPlayers.DataKeys[e.RowIndex].Value.ToString());
}
protected void grdPlayers_RowEditing(object sender, GridViewEditEventArgs e)
{
string[] heightValues;
int feetIndex = 0;
string sep = @"*";
int inchesIndex = 1;
char[] c = new char[1];
c[0] = sep[0];
if (e.NewEditIndex > -1)
{
grdPlayers.EditIndex = e.NewEditIndex;
this.LoadGridView();
this.SetGridFooter();
PlayerID = Convert.ToInt32(grdPlayers.DataKeys[e.NewEditIndex].Value.ToString());
DataRow[] drv = dsPlayers.Tables[0].Select(" ID = ' " + PlayerID.ToString() + " ' ");
//Response.Write(drv[0]["Height"].ToString());
FullHeight = drv[0]["Height"].ToString();
FullHeight = FullHeight.Replace('"', ' ');
FullHeight = FullHeight.Trim();
heightValues = FullHeight.Split('*');
if (Utility.IsInteger(heightValues[feetIndex].ToString()))
{
HeightFeet = Convert.ToInt32(heightValues[feetIndex].ToString().Trim());
DropDownList dfeet = new DropDownList();
dfeet = ((DropDownList)(Page.FindControl(grdPlayers.Rows[e.NewEditIndex].Cells[INDEX_HEIGHT].Controls[1].UniqueID.ToString())));
dfeet.Items.FindByValue(HeightFeet.ToString()).Selected = true;
}
if (Utility.IsInteger(heightValues[inchesIndex].ToString()))
{
HeightInches = Convert.ToInt32(heightValues[inchesIndex].ToString());
DropDownList dinches = ((DropDownList)(Page.FindControl(grdPlayers.Rows[e.NewEditIndex].Cells[INDEX_HEIGHT].Controls[3].UniqueID.ToString())));
dinches.Items.FindByValue(HeightInches.ToString()).Selected = true;
}
}
}
protected void grdPlayers_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
}
}
protected void grdPlayers_Sorting(object sender, GridViewSortEventArgs e)
{
if (SortDirection == "DESC" || SortColumn != e.SortExpression)
{
SortDirection = "ASC";
}
else
{
SortDirection = "DESC";
}
SortColumn = e.SortExpression;
this.LoadGridView();
this.SetGridFooter();
}
protected void grdPlayers_PreRender(object sender, EventArgs e)
{
if (grdPlayers.Rows.Count > 0)
{
this.grdPlayers.Controls[0].Controls[this.grdPlayers.Controls[0].Controls.Count - 1].Visible = true;
}
}
protected void grdPlayers_RowCreated(object sender, GridViewRowEventArgs e)
{
switch (e.Row.RowType)
{
case (DataControlRowType.Header):
e.Row.TableSection = TableRowSection.TableHeader;
break;
case (DataControlRowType.Pager):
e.Row.TableSection = TableRowSection.TableFooter;
break;
default:
e.Row.TableSection = TableRowSection.TableBody;
break;
}
}
protected void LoadFooterEventHandlers()
{
GridViewRow row = grdPlayers.BottomPagerRow;
if (row != null)
{
DropDownList pages = (DropDownList)row.Cells[0].FindControl("pages");
pages.SelectedIndexChanged += new EventHandler(pages_SelectedIndexChanged);
TextBox txtPages = (TextBox)row.Cells[0].FindControl("txtPages");
txtPages.AutoPostBack = true;
txtPages.TextChanged += new EventHandler(txtPages_TextChanged);
}
}
protected void txtPages_TextChanged(object sender, System.EventArgs e)
{
string txt = ((TextBox)sender).Text.ToString();
grdPlayers.EditIndex = -1;
if (txt != null)
{
if (Utility.IsInteger(txt))
{
PerPage = txt;
this.LoadGridView();
this.SetGridFooter();
}
}
}
protected void pages_SelectedIndexChanged(object sender, System.EventArgs e)
{
GridViewRow pager = grdPlayers.BottomPagerRow;
DropDownList pages = (DropDownList)pager.Cells[0].FindControl("pages");
grdPlayers.PageIndex = pages.SelectedIndex;
grdPlayers.EditIndex = -1;
this.LoadGridView();
this.SetGridFooter();
}
protected void grdPlayers_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
grdPlayers.EditIndex = -1;
this.LoadGridView();
this.SetGridFooter();
}
protected void first_Click(object sender, System.EventArgs e)
{
grdPlayers.PageIndex = 0;
grdPlayers.EditIndex = -1;
this.LoadGridView();
this.SetGridFooter();
}
protected void prev_Click(object sender, System.EventArgs e)
{
if (grdPlayers.PageIndex > 0)
{
grdPlayers.PageIndex = grdPlayers.PageIndex - 1;
grdPlayers.EditIndex = -1;
this.LoadGridView();
this.SetGridFooter();
}
}
protected void next_Click(object sender, System.EventArgs e)
{
if (grdPlayers.PageIndex < grdPlayers.PageCount)
{
grdPlayers.PageIndex = grdPlayers.PageIndex + 1;
grdPlayers.EditIndex = -1;
this.LoadGridView();
this.SetGridFooter();
}
}
protected void last_Click(object sender, System.EventArgs e)
{
grdPlayers.PageIndex = grdPlayers.PageCount;
grdPlayers.EditIndex = -1;
this.LoadGridView();
this.SetGridFooter();
}
protected void grdPlayers_DataBound(object sender, System.EventArgs e)
{
GridViewRow row = grdPlayers.BottomPagerRow;
if (row != null)
{
DropDownList pages = (DropDownList)row.Cells[0].FindControl("pages");
pages.SelectedIndexChanged += OnSelectedIndexChanged;
Label count = (Label)row.Cells[0].FindControl("count");
if (pages != null)
{
for (int i = 0; i < grdPlayers.PageCount; i++)
{
int pageNumber = i + 1;
ListItem pageItem = new ListItem(pageNumber.ToString());
if (i == grdPlayers.PageIndex)
{
pageItem.Selected = true;
}
pages.Items.Add(pageItem);
}
}
if (count != null)
{
count.Text = string.Format("<b>{0}</b>", grdPlayers.PageCount);
}
LinkButton prev = (LinkButton)row.Cells[0].FindControl("prev");
prev.Click += new EventHandler(prev_Click);
LinkButton next = (LinkButton)row.Cells[0].FindControl("next");
next.Click += new EventHandler(next_Click);
LinkButton first = (LinkButton)row.Cells[0].FindControl("first");
first.Click += new EventHandler(first_Click);
LinkButton last = (LinkButton)row.Cells[0].FindControl("last");
last.Click += new EventHandler(last_Click);
Literal img;
if (grdPlayers.PageIndex == 0)
{
prev.Enabled = false;
first.Enabled = false;
img = new Literal();
img.Text = @"<img src = ""images/page-first-disabled.gif"" />";
first.Controls.Add(img);
img = new Literal();
img.Text = @"<img src = ""images/page-prev-disabled.gif"" />";
prev.Controls.Add(img);
if (grdPlayers.PageIndex + 1 != grdPlayers.PageCount)
{
last.Enabled = true;
next.Enabled = true;
img = new Literal();
img.Text = @"<img src = ""images/page-last.gif"" />";
last.Controls.Add(img);
img = new Literal();
img.Text = @"<img src = ""images/page-next.gif"" />";
next.Controls.Add(img);
}
else
{
last.Enabled = false;
next.Enabled = false;
img = new Literal();
img.Text = @"<img src = ""images/page-last-disabled.gif"" />";
last.Controls.Add(img);
img = new Literal();
img.Text = @"<img src = ""images/page-next-disabled.gif"" />";
next.Controls.Add(img);
}
}
else if (grdPlayers.PageIndex + 1 == grdPlayers.PageCount)
{
last.Enabled = false;
next.Enabled = false;
img = new Literal();
img.Text = @"<img src = ""images/page-last-disabled.gif"" />";
last.Controls.Add(img);
img = new Literal();
img.Text = @"<img src = ""images/page-next-disabled.gif"" />";
next.Controls.Add(img);
img = new Literal();
img.Text = @"<img src = ""images/page-first.gif"" />";
first.Controls.Add(img);
img = new Literal();
img.Text = @"<img src = ""images/page-prev.gif"" />";
prev.Controls.Add(img);
}
else
{
last.Enabled = true;
next.Enabled = true;
prev.Enabled = true;
first.Enabled = true;
img = new Literal();
img.Text = @"<img src = ""images/page-first.gif"" />";
first.Controls.Add(img);
img = new Literal();
img.Text = @"<img src = ""images/page-prev.gif"" />";
prev.Controls.Add(img);
img = new Literal();
img.Text = @"<img src = ""images/page-last.gif"" />";
last.Controls.Add(img);
img = new Literal();
img.Text = @"<img src = ""images/page-next.gif"" />";
next.Controls.Add(img);
}
}
}
protected void OnSelectedIndexChanged(Object sender, System.EventArgs e)
{
GridViewRow pager = grdPlayers.BottomPagerRow;
DropDownList pages = (DropDownList)pager.Cells[0].FindControl("pages");
grdPlayers.PageIndex = Convert.ToInt32(Request.Form.Get("pages"));
grdPlayers.DataBind();
}
#endregion
protected void Page_Load(object sender, EventArgs e)
{
this.LoadEventHandlers();
this.LoadFooterEventHandlers();
if (!IsPostBack)
{
this.LoadGridView();
this.SetGridFooter();
}
else
{
this.SetGridFooter();
}
}
} |
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