Add columns to datagridview

Question

Hello everyone 
I use vb.net with excel
i have a button "get the name of the columns" which give me the name of the columns of the sheet that i opened 
this button with combobox , when i select an item a worksheet add named the name of the colomun i select  :
is it possible to add the containt of this sheet in datagridview ???
please help me :) 

Answer 1

this is the rest of my code
i open any
column excel this is the code:
Public Sub ComboBox2_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs)
xlWorkSheet = CType(xlWorkBook.Sheets(ComboBox1.Text), Excel.Worksheet)
xlWorkSheet.Activate()
xlApp.Visible = True
Dim key As String = CStr(DirectCast(ComboBox2.SelectedItem, KeyValuePair(Of Integer, String)).Key)
Dim value As String = DirectCast(ComboBox2.SelectedItem, KeyValuePair(Of Integer, String)).Value
Dim DoesSheetExists As Boolean = False
For Each xs In xlApp.Sheets
If xs.Name = value Then
DoesSheetExists = True
End If
Next
If DoesSheetExists = True Then
MsgBox("Sheet already exists", CType(MessageBoxIcon.Error, MsgBoxStyle))
Else
With xlWorkSheet
Dim lastrow As Integer = xlWorkSheet.Cells.Rows.End(XlDirection.xlDown).Row
Dim colletter As String = ColumnIndexToColumnLetter(CInt(key))
exWS2 = DirectCast(xlWorkBook.Sheets.Add, Microsoft.Office.Interop.Excel.Worksheet)
exWS2.Name = value
xlWorkSheet.Range("A1:A" & lastrow.ToString).Copy(exWS2.Range("A1"))
xlWorkSheet.Range(colletter & "1:" & colletter & lastrow.ToString).Copy(exWS2.Range("B1"))
End With
Me.Hide()
Form3.Show()
End If
End Sub
this
column will be add in the new sheet which has the name of the column that i select of the combobox .
what
i want is to add the column that i opened in datagridview1
Also
i have to calculate sum , max and min of the column, I want to add also the sum , max and min in datagridview2
my
form that open excel file and add the sheet :
And my file
excel :