Datagrid with fixed headers

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Hi!
How to fixed datagrid header while scrolling. without using table for headers.

Sample Code:

<asp:UpdatePanel ID="updtPnlGrid" RenderMode="Inline" runat="server">
<ContentTemplate>
<div style="height: 260px; width: 470px; overflow: auto; vertical-align :top;">
<asp:DataGrid ID="dgAPVender" AccessKey="G" runat="server" CssClass="clsGrid" BorderColor="Desktop"
CellPadding="3" AutoGenerateColumns="False" Width="450px" >
<SelectedItemStyle CssClass="clsGridRowShade2"></SelectedItemStyle>
<AlternatingItemStyle CssClass="clsGridRowShade2"></AlternatingItemStyle>
<ItemStyle CssClass="clsGridRowShade1"></ItemStyle>
<HeaderStyle Font-Bold="True" CssClass="clsGridHeader" HorizontalAlign="center">
</HeaderStyle>
<FooterStyle CssClass="clsGridHeader"></FooterStyle>
<Columns>
<asp:TemplateColumn HeaderText="No">
<ItemTemplate>
<%# dgAPVender.PageSize * dgAPVender.CurrentPageIndex + Container.ItemIndex + 1
%>
</ItemTemplate>
<ItemStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Center" VerticalAlign="Middle" />
</asp:TemplateColumn>
<asp:TemplateColumn Visible="false" HeaderText="GL">
<ItemStyle VerticalAlign="Middle" Height="20px" Width="10px" />
<ItemTemplate>
<asp:Label runat="server" ID="lblId" CssClass="clsText" Text='<%# DataBinder.Eval(Container.DataItem,"ID")%>'>
</asp:Label>
</ItemTemplate>
</asp:TemplateColumn>
<asp:BoundColumn DataField="varUserID" HeaderText="User ID" ItemStyle-HorizontalAlign="left">
<ItemStyle HorizontalAlign="Left" />
</asp:BoundColumn>
<asp:BoundColumn DataField="varFName" HeaderText="User Name" ItemStyle-HorizontalAlign="left">
<ItemStyle HorizontalAlign="Left" />
</asp:BoundColumn>
<asp:TemplateColumn>
<HeaderTemplate>
<asp:Label ID="lblAPVendor" runat="server" Text="AP Vendor ID"></asp:Label>
</HeaderTemplate>
<ItemStyle VerticalAlign="Middle" Height="20px" Width="100px" />
<ItemTemplate>
<asp:TextBox ID="txtVendorID" Style="text-align: left;" Width="95px" runat="server"
AutoPostBack="true" OnTextChanged="txtVendorID_TextChanged" onkeypress="JavaScript:fncInputPureAlphaNumericWithoutSpecial();"
MaxLength="10" Height="20px" Font-Size="12px" Text='<%# DataBinder.Eval(Container.DataItem,"varVendorID") %>'>
</asp:TextBox>
</ItemTemplate>
</asp:TemplateColumn>
</Columns>
</asp:DataGrid>
</div>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="btnSave" EventName="Click" />
<asp:AsyncPostBackTrigger ControlID="btnCancel" EventName="Click" />
<asp:AsyncPostBackTrigger ControlID="dgAPVender" />
</Triggers>
</asp:UpdatePanel>

Please reply me as soon as possible...

Thanks & Regards,
Minal Shah.

Posted 29-Apr-10 18:51pm

shah.minal

Updated 29-Apr-10 20:21pm

v2

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Sandeep Mewara · Answer 1 · 2010-04-29T19:15:00

Solution 1

Step 1 :
Create a CSS class as following

.HeaderFreez
{
position:relative ;
top:expression(this.offsetParent.scrollTop);
z-index: 10;
}

Step 2:
Set Gridview’s HeaderStyle CssClass as follows CssClass="HeaderFreez"

Posted 29-Apr-10 19:15pm

Sandeep Mewara