GridView内按钮Click之后取值

http://blog.csdn.net/insus/article/details/2123970

Reference Code:

 Reference Code: protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)    {        if (e.Row.RowType == DataControlRowType.DataRow)        {            if (e.Row.FindControl("Button1") != null)            {                Button btn = (Button)e.Row.FindControl("Button1");                btn.Click += new EventHandler(btn_Click);            }        }    }    private void btn_Click(object sender, EventArgs e)    {        Button btn = (Button)sender;        GridViewRow gvr = (GridViewRow)btn.Parent.Parent;        string pk = GridView1.DataKeys[gvr.RowIndex].Value.ToString();        this.Label1.Text = pk;    }