Datagrid Sorting

1) AllowSorting Property to true.

2) Set the SortExpression Property of individual column to their respective field name. Eg: EmpId, EmpName, etc.

3) Write Code on Event.

private void Page_Load(object sender, System.EventArgs e)

{

if(!Page.IsPostBack)

{

BindGrid(fetchData());

ViewState["SortOrder"] = "ASC";

}

}

private void DataGrid1_SortCommand(object source,

System.Web.UI.WebControls.DataGridSortCommandEventArgs e)

{

DataView dv = new DataView(fetchData());

dv.Sort = e.SortExpression + " " + ViewState["SortOrder"];

BindGrid(dv);

if(ViewState["SortOrder"].ToString().ToUpper() == "ASC")

ViewState["SortOrder"] = "DESC";

else

ViewState["SortOrder"] = "ASC";

}