Hi 

We're using the below code to build the grid at the runtime

Partial Class _Default
Inherits System.Web.UI.Page

Public Class personXXX
Public name As String
Public age As Int16
Public gender As String
Public status As Boolean
Public State As String
End Class

Protected Sub Page_Load(sender As Object, e As System.EventArgs) Handles Me.Load
BuildGrid()
End Sub

Private Sub BuildGrid()

Dim dataTab As New DataTable
Dim colDB As New DataColumn
Dim objRow As DataRow

WebDataGrid1.Rows.Clear()

colDB = New DataColumn("RowID", Type.GetType("System.Int16"))
dataTab.Columns.Add(colDB)

colDB = New DataColumn("Name", Type.GetType("System.String"))
dataTab.Columns.Add(colDB)

colDB = New DataColumn("Age", Type.GetType("System.Int16"))
dataTab.Columns.Add(colDB)

colDB = New DataColumn("Gender", Type.GetType("System.String"))
dataTab.Columns.Add(colDB)

colDB = New DataColumn("Status", Type.GetType("System.Boolean"))
dataTab.Columns.Add(colDB)

colDB = New DataColumn("State", Type.GetType("System.String"))
dataTab.Columns.Add(colDB)

Dim per1 As New personXXX With { _
.name = "Eliza", _
.age = 27, _
.gender = "Female", _
.State = "CA", _
.status = True
}
Dim per2 As New personXXX With { _
.name = "Sarah", _
.age = 22, _
.gender = "Female", _
.State = "GA", _
.status = True
}
Dim per3 As New personXXX With { _
.name = "ema", _
.age = 22, _
.gender = "Female", _
.State = "MD", _
.status = False
}
Dim per4 As New personXXX With { _
.name = "rachel", _
.age = 20, _
.gender = "Female", _
.State = "MD", _
.status = True
}
Dim per6 As New personXXX With { _
.name = "jim", _
.age = 22, _
.gender = "Male", _
.State = "MD", _
.status = True
}
Dim per5 As New personXXX With { _
.name = "jack", _
.age = 32, _
.gender = "Male", _
.State = "CA", _
.status = True
}

WebDataGrid1.AutoGenerateColumns = True

Dim personArr As personXXX() = {New personXXX(), per1, per2, per3, per4, per5, per6}

For introw = 1 To 6
objRow = dataTab.NewRow()
objRow(0) = introw
objRow(1) = personArr(introw).name.ToString
objRow(2) = Integer.Parse(personArr(introw).age)
objRow(3) = personArr(introw).gender.ToString
objRow(4) = personArr(introw).status
objRow(5) = personArr(introw).State
dataTab.Rows.Add(objRow)
Next
WebDataGrid1.DataSource = dataTab
WebDataGrid1.DataBind()
End Sub

End Class

The  'WebDataGrid1.Columns' returns nothing, how to get the column collection object?  we need to get the column object to set column width, change the column header text and CSS class.

Any help?

Regards, Karthik