Question

I have a gridview that shows information from a SqlDatasource. Now the gridview shows some information with an edit button and a delete button at the end of the row.

I want to retrieve the primary key of that row from a table in C#, when I click on the edit or the delete button.

For this I overriden two functions:

protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
   Response.Write(e.NewEditIndex);
}

protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
   Response.Write(SqlDataSource1.DeleteCommand);
}

But I cannot retrieve the primary key value. How can I do that?

Answer 1

GridView uses DataKeyNames property, which a collection of key fields. You may use GridView1.DataKeys property to retrieve KeyField value.

Response.Write(GridView1.DataKeys[e.NewEditIndex].Value);