title: Column named cannot be found. Parameter name
body: <p>i'm using VB.NET, and i'm getting error "Column named NoMutasi cannot be found. Parameter name" </p>
  
  <p>this my code</p>
  
  <pre><code>With dt
          .Columns.Add("NoMutasi")
          .Columns.Add("nama")
          .Columns.Add("alamat")
          .Columns.Add("noRute")
          .Columns.Add("nmRute")
          .Columns.Add("nmMedia")
          .Columns.Add("noEdisi")
          .Columns.Add("colyFieldVariable")
          .Columns.Add("jatahAgen")
      End With
  
      For Each rd As DataGridViewRow In Me.DataGridView1.Rows
          dt.Rows.Add(rd.Cells("NoMutasi").Value, rd.Cells("NmAgen").Value, rd.Cells("AlamatAgen").Value, rd.Cells("NoRute").Value, rd.Cells("NmRute").Value, rd.Cells("NmMedia").Value, rd.Cells("NoEdisi").Value, rd.Cells("colyFieldVariable").Value, rd.Cells("JatahAgen").Value)
      Next
  </code></pre>
  
  <p>and here the other one's</p>
  
  <pre><code>                noMutasi = dr.Item("NoMutasi")
                  nama = dr.Item("NmAgen")
                  colyFieldVariable = batas Mod 100
                  alamat = dr.Item("alamatAgen")
                  noRute = dr.Item("NoRute")
                  nmRute = dr.Item("NmRute")
                  nmMedia = dr.Item("NmMedia")
                  noEdisi = dr.Item("NoEdisi")
                  jatahAgen = dr.Item("JatahAgen")
                  Dim row As String() = New String() {noMutasi, nama, alamat, noRute, nmRute, nmMedia, noEdisi, colyFieldVariable, jatahAgen}
                  DataGridView1.Rows.Add(row)
  </code></pre>