public void fillGrid()
{
empTbl e = new empTbl();
List <empTbl> emp = e.getAll();
GridView1.DataSource = emp;
GridView1.DataBind();
}
protected void GridView1_Sorting(object sender, GridViewSortEventArgs e)
{
GridViewSortExpression = e.SortExpression;
if (GridViewSortDirection == SortDirection.Ascending)
{
GridViewSortDirection = SortDirection.Descending;
empTbl em = new empTbl();
List <empTbl> emp = em.getAll();
GridView1.DataSource = emp.OrderBy(x => x.GetType().GetProperty(GridViewSortExpression).GetValue(x, null)).ToList();
}
else
{
GridViewSortDirection = SortDirection.Ascending;
empTbl em = new empTbl();
List <empTbl> emp = em.getAll();
GridView1.DataSource = emp.OrderBy(x => x.GetType().GetProperty(GridViewSortExpression).GetValue(x, null)).ToList();
}
GridView1.DataBind();
}