DataGrid.ShowHeader Property
.NET Framework (current version)
Gets or sets a value that indicates whether the header is displayed in the DataGrid control.
Assembly: System.Web (in System.Web.dll)
Property Value
Type: System.Booleantrue to display the header; otherwise, false. The default value is true.
Set this property to true to display the header in the DataGrid. The appearance of the header is controlled by using the HeaderStyle property.
The following code example demonstrates how to use the ShowHeader property to hide the header on the DataGrid control.
<%@ Page Language="VB" AutoEventWireup="True" %> <%@ Import Namespace="System.Data" %> <!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" > <script language="VB" runat="server"> Function CreateDataSource() As ICollection Dim dt As New DataTable() Dim dr As DataRow dt.Columns.Add(New DataColumn("IntegerValue", GetType(Int32))) dt.Columns.Add(New DataColumn("StringValue", GetType(String))) dt.Columns.Add(New DataColumn("DateTimeValue", GetType(String))) dt.Columns.Add(New DataColumn("BoolValue", GetType(Boolean))) Dim i As Integer For i = 0 To 99 dr = dt.NewRow() dr(0) = i dr(1) = "Item " & i.ToString() dr(2) = DateTime.Now.ToShortDateString() If i Mod 2 <> 0 Then dr(3) = True Else dr(3) = False End If dt.Rows.Add(dr) Next i Dim dv As New DataView(dt) Return dv End Function 'CreateDataSource Sub Page_Load(sender As Object, E As EventArgs) If chk1.Checked Then MyDataGrid.PagerStyle.Mode = PagerMode.NumericPages Else MyDataGrid.PagerStyle.Mode = PagerMode.NextPrev End If BindGrid() End Sub 'Page_Load Sub MyDataGrid_Page(sender As Object, e As DataGridPageChangedEventArgs) BindGrid() End Sub 'MyDataGrid_Page Sub BindGrid() MyDataGrid.DataSource = CreateDataSource() MyDataGrid.DataBind() ShowStats() End Sub 'BindGrid Sub ShowStats() lblEnabled.Text = "AllowPaging is " & MyDataGrid.AllowPaging lblCurrentIndex.Text = "CurrentPageIndex is " & MyDataGrid.CurrentPageIndex lblPageCount.Text = "PageCount is " & MyDataGrid.PageCount lblPageSize.Text = "PageSize is " & MyDataGrid.PageSize End Sub 'ShowStats </script> <head runat="server"> <title>DataGrid Example</title> </head> <body> <h3>DataGrid Example</h3> <form id="form1" runat="server"> <asp:DataGrid id="MyDataGrid" runat="server" AllowPaging="True" PageSize="10" ShowFooter="true" ShowHeader="false" OnPageIndexChanged="MyDataGrid_Page" BorderColor="black" BorderWidth="1" GridLines="Both" CellPadding="3" CellSpacing="0" Font-Names="Verdana" Font-Size="8pt"> <HeaderStyle BackColor="#aaaadd"> </HeaderStyle> <FooterStyle BackColor="#aaaadd"> </FooterStyle> <AlternatingItemStyle BackColor="#eeeeee"> </AlternatingItemStyle> <PagerStyle Mode="NumericPages" HorizontalAlign="Right"> </PagerStyle> </asp:DataGrid> <br /> <asp:Checkbox id="chk1" runat="server" Text="Show numeric page navigation buttons" Font-Names="Verdana" Font-Size="8pt" AutoPostBack="true"/> <br /> <table style="background-color:#eeeeee; padding:6"> <tr> <td style="display:inline"> <asp:Label id="lblEnabled" runat="server"/><br /> <asp:Label id="lblCurrentIndex" runat="server"/><br /> <asp:Label id="lblPageCount" runat="server"/><br /> <asp:Label id="lblPageSize" runat="server"/><br /> </td> </tr> </table> </form> </body> </html>
<%@ Page Language="VB" AutoEventWireup="True" %> <%@ Import Namespace="System.Data" %> <!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" > <script runat="server"> Function CreateDataSource() As ICollection ' Create a Random object to mix up the order of items in the ' sample data. Dim Rand_Num As Random = New Random() ' Create sample data for the DataGrid control. Dim dt As DataTable = New DataTable() Dim dr As DataRow ' Define the columns of the table. dt.Columns.Add(new DataColumn("IntegerValue", GetType(Int32))) dt.Columns.Add(new DataColumn("StringValue", GetType(String))) dt.Columns.Add(new DataColumn("CurrencyValue", GetType(Double))) ' Populate the table with sample values. Dim i As Integer For i = 0 To 8 dr = dt.NewRow() dr(0) = i dr(1) = "Item " & Rand_Num.Next(1, 15).ToString() dr(2) = 1.23 * Rand_Num.Next(1, 15) dt.Rows.Add(dr) Next i Dim dv As DataView = New DataView(dt) Return dv End Function Sub Page_Load(sender As Object, e As EventArgs) ' Load sample data only once, when the page is first loaded. If Not IsPostBack Then ItemsGrid.DataSource = CreateDataSource() ItemsGrid.DataBind() End If End Sub Sub Check_Change(sender As Object, e As EventArgs) ' Show or hide the header depending on the user's selection. If ShowHeaderCheckBox.Checked Then ItemsGrid.ShowHeader = True Else ItemsGrid.ShowHeader = False End If ' Show or hide the footer depending on the user's selection. If ShowFooterCheckBox.Checked Then ItemsGrid.ShowFooter = True Else ItemsGrid.ShowFooter = False End If End Sub </script> <head runat="server"> <title>DataGrid ShowHeader and ShowFooter Example</title> </head> <body> <form id="form1" runat="server"> <h3>DataGrid ShowHeader and ShowFooter Example</h3> Select whether to show or hide the header and footer sections in the DataGrid control. <br /><br /> <b>Product List</b> <asp:DataGrid id="ItemsGrid" BorderColor="black" BorderWidth="1" CellPadding="3" ShowHeader="True" ShowFooter="True" AutoGenerateColumns="False" runat="server"> <HeaderStyle BackColor="#00aaaa"> </HeaderStyle> <FooterStyle BackColor="#00aaaa"> </FooterStyle> <Columns> <asp:BoundColumn DataField="IntegerValue" SortExpression="IntegerValue" HeaderText="Item"/> <asp:BoundColumn DataField="StringValue" SortExpression="StringValue" HeaderText="Description"/> <asp:BoundColumn DataField="CurrencyValue" HeaderText="Price" SortExpression="CurrencyValue" DataFormatString="{0:c}"> <ItemStyle HorizontalAlign="Right"> </ItemStyle> </asp:BoundColumn> </Columns> </asp:DataGrid> <hr /> <asp:CheckBox id="ShowHeaderCheckBox" Text="Show header" AutoPostBack="True" Checked="True" OnCheckedChanged="Check_Change" runat="server"/>   <asp:CheckBox id="ShowFooterCheckBox" Text="Show footer" AutoPostBack="True" Checked="True" OnCheckedChanged="Check_Change" runat="server"/> </form> </body> </html>
.NET Framework
Available since 1.1
Available since 1.1
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