how to do row editing

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protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
       {
           int id = Convert.ToInt16(GridView1.DataKeys[e.NewEditIndex].Values[0].ToString());

           cnn.Open();
           SqlCommand cmd = new SqlCommand("delete from call_details where id=" + id, cnn);
           int result = cmd.ExecuteNonQuery();
           cnn.Close();

           GridView1.DataBind();

this code will give me error like:Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index

i have not use template field.then what is solution.

Posted 31-Dec-12 0:00am

Member 9511889

Updated 31-Dec-12 0:02am

v2

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Zafar Sultan 31-Dec-12 6:21am

You are deleting a record inside RowEditing event!

2 solutions

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Kapil Rathod · Answer 1 · 2012-12-31T00:19:00

//Please Try this code for your help....

protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{

GridView1.EditIndex = e.NewEditIndex;

//yourControlName it'sInstance =
//(yourControlName)//(GridView1.Rows[GridView1.EditIndex].FindControl("yourContr//olId"));

//For Example

Label lbl = (Label)(GridView1.Rows[GridView1.EditIndex].FindControl("lblId"));

int id = convert.ToInt16(lbl.Text);

cnn.Open();
SqlCommand cmd = new SqlCommand("delete from call_details where id=" + id, cnn);
int result = cmd.ExecuteNonQuery();
cnn.Close();

GridView1.DataBind();

C#

Zafar Sultan · Answer 2 · 2012-12-31T00:24:00

Solution 2

1. Add a button inside itemtemplate.
2. Use CommandArgument to pass the id of record to be deleted.
3. Add RowCommand event for the gridview.
4. In RowCommand event delete the record.
5. Re-Bind the gridview.

Posted 31-Dec-12 0:24am

Zafar Sultan

Updated 31-Dec-12 0:25am

v2