This example shows how to hide columns of gridview in normal display mode and set them to visible when gridview is in edit mode
here i am hiding the ID column when gridview loads in normal mode and setting this column to visible when user clicks on the edit link button of gridview
For this i am using ObjectDataSource to populate the grid and hiding the columns in RowDataBound Event of gridview
<%@ Page Language="C#" AutoEventWireup="true"
CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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 runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<br />
<br />
<asp:GridView ID="GridView1" runat="server"
AutoGenerateColumns="False"
DataSourceID="ObjectDataSource1"
OnRowDataBound="GridView1_RowDataBound"
OnRowEditing="GridView1_RowEditing" >
<Columns>
<asp:CommandField ShowEditButton="true" />
<asp:TemplateField HeaderText="ID">
<ItemTemplate>
<asp:Label ID="lblID"
runat="server"
Text='<%#Eval("ID")%>'>
</asp:Label>
</ItemTemplate>
<EditItemTemplate >
<asp:TextBox ID="txtID" Visible="true"
runat="server"
Text='<%#Eval("ID")%>'>
</asp:TextBox>
</EditItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Name">
<ItemTemplate>
<asp:Label ID="lblName"
runat="server"
Text='<%#Eval("Name")%>'>
</asp:Label>
</ItemTemplate>
<EditItemTemplate >
<asp:TextBox ID="txtName" Visible="true"
runat="server"
Text='<%#Eval("Name")%>'>
</asp:TextBox>
</EditItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Location">
<ItemTemplate>
<asp:Label ID="lblLocation" runat="server"
Text='<%#Eval("Location")%>'>
</asp:Label>
</ItemTemplate>
<EditItemTemplate >
<asp:TextBox ID="txtLocation"
Visible="true"
runat="server"
Text='<%#Eval("Location")%>'>
</asp:TextBox>
</EditItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<asp:ObjectDataSource ID="ObjectDataSource1"
runat="server"
InsertMethod="Insert"
OldValuesParameterFormatString="original_{0}"
SelectMethod="GetData"
TypeName="DataSet1TableAdapters.TestTableAdapter"
UpdateMethod="UpdateQuery">
<InsertParameters>
<asp:Parameter Name="ID" Type="Decimal" />
<asp:Parameter Name="Name" Type="String" />
<asp:Parameter Name="Location" Type="String" />
</InsertParameters>
<UpdateParameters>
<asp:Parameter Name="Name" Type="String" />
<asp:Parameter Name="Location" Type="String" />
<asp:Parameter Name="ID" Type="Decimal" />
</UpdateParameters>
</asp:ObjectDataSource>
</div>
</form>
</body>
</html>
And the code behind for this goes like this
We need to write code to hide columns in RowDataBound event
public protected void GridView1_RowDataBound
(object sender, GridViewRowEventArgs e)
{
//Check whether gridview is in edit mode or nor
if (GridView1.EditIndex >= 0)
{ return; }
//Check row state of gridview whether it is data row or not
if ((e.Row.RowState == DataControlRowState.Normal
|| e.Row.RowState == DataControlRowState.Alternate)
&& (e.Row.RowType == DataControlRowType.DataRow
|| e.Row.RowType == DataControlRowType.Header))
{
//Now set the visibility of cell we want to hide to false
e.Row.Cells[1].Visible = false;
}
}
protected void GridView1_RowEditing
(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
GridView1.DataBind();
}
}
Download the sample code attached
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16 comments:
Thanx i was looking for this , Google brought me here
i want to download source code of this artical
@himanshu :
You can download the code now, i've fixed the download link
your posts are nice.
how to set readonly to id field in gridview when editing
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hi
here u have check for Edit mode ,Y?
Please let me know
and i have another question for sqlserver
i have table ABC
in that
Vehiclename driver
=====================
Car 1,2
Car 1,3,5
Car 1,2,3,4
Scooter 2,4,6
Scooter 2
now i want result like this
Vehiclename Driver
=======================
Car 1,2,3,4,5
Scooter 2,4,6
Please give query for this
Hello. And Bye.
Да уж… Жизнь – как вождение велосипеда. Чтобы сохранить равновесие ты должен двигаться.
how to display image in gridview after retrieving binary data of an image file which is stored in the database
Thank your for your solution amit !!
And it will also hide the column header?
@Above : Yes, it Will
please tell me does windows xp sp2 support asp.net 4.0 ? does asp.net 4.0 work successfully on windows xp sp2 ? My email id is : hiralvyas1986@yahoo.in
hello i want to know that how to bind controls to the gridview
@Above: Please refer GridView Examples in ASP.NET 2.0 3.5 to know how to bind controls in GridView
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