Getting the first sheet from an Excel document regardless of sheet name with OleDb

Question

I have users that name their sheets all sorts of crazy things, but I want to be able to get the first sheet of the Excel document regardless of what it is named.

I

Answer 1

This code has worked fine where i have used the data grid "DataGridView1" to load all the content of the sheet

Dim MyConnection As System.Data.OleDb.OleDbConnection
Dim DtSet As System.Data.DataSet : Dim filteext As String = ""

 ''check for the file type
 If IO.Path.GetExtension(fileName) = "xls" Then
                filteext = "Excel 8.0"
 ElseIf IO.Path.GetExtension(fileName) = ".xlsx" Then
                filteext = "Excel 12.0"
 End If

''open connection

 MyConnection = New System.Data.OleDb.OleDbConnection _
               ("provider=Microsoft.Jet.OLEDB.4.0;Data Source='" & fileName & "';Extended Properties=" & filteext & ";")
            MyConnection.Open()

  Dim myTableName = MyConnection.GetSchema("Tables").Rows(0)("TABLE_NAME")

  Dim MyCommand As OleDbDataAdapter = New OleDbDataAdapter(String.Format("SELECT * FROM [{0}]", myTableName), MyConnection)


   MyCommand.TableMappings.Add("Table", "TestTable")
            DtSet = New System.Data.DataSet

    MyCommand.Fill(DtSet)

    DataGridView1.DataSource = DtSet.Tables(0)
            'DtSet.DataSetName. 

    MyConnection.Close()