How to access checked row values

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I want to add the values of 'amt' column into a variable 'v_amt' when checkbox selected. In the same variable I want to minus the value when I deselect the checkbox.

Here is the prevailing code but I could not make the requirement into it.

C#

CheckBox chkTest = (CheckBox)sender;
GridViewRow grdRow = (GridViewRow)chkTest.NamingContainer;
TextBox txtname = (TextBox)grdRow.FindControl("txtName");
TextBox txtlocation = (TextBox)grdRow.FindControl("txtLocation");
if (chkTest.Checked)
{
    txtname.ReadOnly = false;
    txtlocation.ReadOnly = false;
    txtname.ForeColor = System.Drawing.Color.Black;
    txtlocation.ForeColor = System.Drawing.Color.Black;

}
else
{
    txtname.ReadOnly = true;
    txtlocation.ReadOnly = true;
    txtname.ForeColor = System.Drawing.Color.Blue;
    txtlocation.ForeColor = System.Drawing.Color.Blue;
}

Can some one guide me.

Posted 9-Apr-13 23:52pm

S.Rajendran from Coimbatore

Updated 9-Apr-13 23:58pm

Karthik Harve

v3

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Karthik Harve 10-Apr-13 5:58am

[Edit] pre tags added.

2 solutions

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PJ003 · Answer 1 · 2013-04-10T00:31:00

Solution 1

Add DataKeyNames property of gridview to the list and the following value of the particular row can be retrieved by the following code....

C#

int index = int.Parse(e.CommandArgument.ToString());
string value = grdView.DataKeys[index].Value.ToString().Trim();

Posted 10-Apr-13 0:31am

PJ003

v2

raj ch · Answer 2 · 2013-04-10T00:58:00

VB

Protected Sub chkAuth_CheckedChanged(ByVal sender As Object, ByVal e As EventArgs)
       Dim chk As New CheckBox
       chk = sender
       If chk.Checked = True Then
           Dim gr As GridViewRow
           gr = CType(chk.Parent.Parent, GridViewRow)
           grdSample.Rows(gr.RowIndex).Cells(4).Text = i + 1
           grdSample.Rows(gr.RowIndex).Cells(5).Text = "Yes"
       Else
           Dim gr As GridViewRow
           gr = CType(chk.Parent.Parent, GridViewRow)
           grdSample.Rows(gr.RowIndex).Cells(4).Text = ""
           grdSample.Rows(gr.RowIndex).Cells(5).Text = ""
       End If
   End Sub