i need a code to i want to validate a textbox, it should take only numeric value before entering to the next filed. mus

i am using the below sample code for sort in repeater, it is sorting only in asc order, now i want to sort both direction, i am using defaultview.sort, using the same function can anyone help me Thankz connection open() strSql = "select fiel1,fie2 from tablename order by columname or (Request.QueryString("val"))" Dim da As New OleDbDataAdapter(strSql, connection) Dim ds As New DataSet da.Fill(ds) If Request.QueryString("val") = "" Then repeater.DataSource = ds.Tables(0) Else ds.Tables(0).DefaultView.Sort = Request.QueryString("val") repeater.DataSource = ds.Tables(0).DefaultView repeater.DataBind() End If connectionclose()

thankz i found out just before after sending message

How can i change the datagrid row colour alternatively. for ex: 1st row red 2nd row blue 3rd row red 4th row blue like that with any conditions apply