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GetDataTableFromExcel() Function

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Submitted on: 1/4/2015 7:04:00 AM
By: Igor Krupitsky (from psc cd)  
Level: Intermediate
User Rating: By 4 Users
Compatibility: VB.NET
Views: 1567
 
     Function that returns ADO.NET DataTable from MS Excel file using Microsoft.Jet.OLEDB.4.0 Provider.
 
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//**************************************
// Name: GetDataTableFromExcel() Function
// Description:Function that returns ADO.NET DataTable from MS Excel file using Microsoft.Jet.OLEDB.4.0 Provider.
// By: Igor Krupitsky (from psc cd)
//**************************************

Private Function GetDataTableFromExcel(ByVal sFilePath As String) As System.Data.DataTable
Dim sConnectionString As String = "Provider=Microsoft.Jet.OLEDB.4.0;" & _
"Data Source=" + sFilePath + ";" & _
"Extended Properties=""Excel 8.0;"""
Dim cn As New OleDb.OleDbConnection(sConnectionString)
cn.Open()
Dim oTables As DataTable = cn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, Nothing)
Dim i As Integer
For i = 0 To oTables.Rows.Count - 1
Dim sSheetName As String = oTables.Rows(i)("TABLE_NAME").ToString()
If sSheetName.IndexOf("$") <> -1 Then
Dim oDataSet As New DataSet
Dim oAdapter As New OleDbDataAdapter("SELECT * FROM [" + sSheetName + "]", cn)
oAdapter.TableMappings.Add("Table", sSheetName)
oAdapter.Fill(oDataSet)
Dim oDataTable As DataTable = oDataSet.Tables(0)
cn.Close()
If oDataTable.Rows.Count > 0 And oDataTable.Columns.Count > 5 Then
Return oDataTable
End If
End If
Next
End Function


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