Add single/double click to gridview

protected void grdClickDoubleClick_RowDataBound(object sender, GridViewRowEventArgs e)
{
try
{
GridViewRow row = e.Row;
if (row.RowType == DataControlRowType.DataRow)
{
ImageButton _singleClickButton = row.FindControl("lnkBtnClk") as ImageButton;
string _jsSingleClick = Page.ClientScript.GetPostBackClientHyperlink(_singleClickButton, "");
e.Row.Attributes.Add("onclick", _jsSingleClick);
ImageButton _dblClickButton = row.FindControl("lnkBtnClk") as ImageButton;
string _jsDoubleClick = Page.ClientScript.GetPostBackClientHyperlink(_dblClickButton, "");
e.Row.Attributes.Add("ondblclick", _jsDoubleClick);
}
}
catch (Exception ex)
{
}
}