Need to merge the radGrid cell(column)

Hi,

    We need to merge the radGrid cell(Wage Category column) with the same name as mentioned in the video link. Code shared for your reference. Please check & help us with it.

Screen Shot link

Dim dtArraytemW  as New DataTable()

 Public Sub InitializeDatatable()

dtArraytemW= New DataTable

dtArraytemW.Columns.AddRange(New DataColumn() {New DataColumn("Wage Category", GetType(String)), New DataColumn("Type", GetType(String)),
New DataColumn("# Hours", GetType(String))})
End Sub

dtArraytemW.Rows.Add(0)(0) = "Salary - Office"
dtArraytemW.Rows(0)(1) = "Regular"
dtArraytemW.Rows(0)(2) = 1
dtArraytemW.Rows(0)(3) = 1.5
dtArraytemW.Rows(0)(4) = 2

dtArraytemW.Rows.Add(1)(0) = "Salary - Office"
dtArraytemW.Rows(1)(1) = "Overt0me"
dtArraytemW.Rows(1)(2) = 1
dtArraytemW.Rows(1)(3) = 4.5
dtArraytemW.Rows(1)(4) = 3

dtArraytemW.Rows.Add(2)(0) = "Salary - Office"
dtArraytemW.Rows(2)(1) = "1.7 T0me"
dtArraytemW.Rows(2)(2) = 1
dtArraytemW.Rows(2)(3) = 6.3
dtArraytemW.Rows(2)(4) = 1

rdgvWGrd.DataSource = dtArraytemW

Video Link