How to get Hidden Column value

Question

4.00/5 (1 vote)

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This is my grid view

ASP.NET

<asp:GridView ID="grdDepartment" runat="server" BackColor="White"
               BorderColor="#999999" BorderStyle="Solid" BorderWidth="1px" CellPadding="3"
               ForeColor="Black" GridLines="Vertical" Width="293px"
               AutoGenerateColumns="False" AutoGenerateSelectButton="True"
               onselectedindexchanged="grdDepartment_SelectedIndexChanged">
               <AlternatingRowStyle BackColor="#CCCCCC" />
               <FooterStyle BackColor="#CCCCCC" />
               <HeaderStyle BackColor="Black" Font-Bold="True" ForeColor="White" />
               <PagerStyle BackColor="#999999" ForeColor="Black" HorizontalAlign="Center" />
               <SelectedRowStyle BackColor="#000099" Font-Bold="True" ForeColor="White" />
               <SortedAscendingCellStyle BackColor="#F1F1F1" />
               <SortedAscendingHeaderStyle BackColor="#808080" />
               <SortedDescendingCellStyle BackColor="#CAC9C9" />
               <SortedDescendingHeaderStyle BackColor="#383838" />
               <Columns>
                   <asp:BoundField HeaderText ="ID" DataField ="ID" Visible="false" />
                   <asp:BoundField  HeaderText="Department" DataField="Department Name"/>
               </Columns>
           </asp:GridView>

and i am unable to access value of ID column by below code

C#

protected void grdDepartment_SelectedIndexChanged(object sender, EventArgs e)
    {
        lblID.Text = grdDepartment.SelectedRow.Cells[1].Text;
        txtDepartment.Text = grdDepartment.SelectedRow.Cells[2].Text;
    }

Posted 15-Jan-16 19:45pm

Amit Bhoi

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Member 11449483 · Answer 1 · 2016-01-15T23:15:00

try this,

ASP.NET

<asp:BoundField HeaderText ="ID" DataField ="ID"  />

remove visible="false" and set visible=false from code behind.

C#

lblID.Text = grdDepartment.SelectedRow.Cells[0].Text;
txtDepartment.Text = grdDepartment.SelectedRow.Cells[1].Text;
 grdDepartment.Columns.Item(0).Visible =false;

thanks

ridoy · Answer 2 · 2016-01-16T08:46:00

Solution 3

You need to use DataItem . Follow:

C#

DataRowView rowView = (DataRowView)e.Row.DataItem;
int id = Convert.ToInt32(rowView["ID"]);
//use id as your need..

There are few more ways to get it.Read the CP article:
How to get Hidden Column Value in GridView[^]

Posted 16-Jan-16 8:46am

ridoy

Updated 16-Jan-16 8:49am

v3