Read excel to dataset

This sample show how to read data from excel file by using Microsoft.Jet.OLEDB.

More information about excel connectionstring see http://www.connectionstrings.com/excel

Let's sample code.

Private Function ReadExcelFile(ByVal filePath As String, ByVal fileName As String) As DataSet
'' Excel 2003
Dim sConn As String = String.Format("Provider=Microsoft.Jet.OLEDB.4.0;Data Source={0}", filePath + fileName)
sConn += ";Extended Properties=""Excel 8.0;HDR=Yes;IMEX=1;"""

'Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\MyExcel.xls;Extended Properties="Excel 8.0;HDR=Yes;IMEX=1";

Dim sSql As String = "SELECT * FROM [Sheet1$]"
'Select excel range command
' Dim sSql As String = "SELECT * FROM [Sheet1$A1:D3]"

Dim pFile As New FileInfo(fileName)
If (pFile.Extension.ToLower() = ".xlsx") Then
' Excel 2007
sConn = String.Format("Provider=Microsoft.ACE.OLEDB.12.0;Data Source={0}", filePath + fileName)
sConn += ";Extended Properties=""Excel 12.0 Xml;HDR=YES;"""
End If

Dim ds As New DataSet
Dim pConn As New OleDbConnection(sConn)
Dim pCmd As New OleDbCommand()
pCmd.Connection = pConn
pCmd.CommandText = sSql

Dim pAdp As New OleDbDataAdapter()
pAdp.SelectCommand = pCmd

Catch ex As Exception
Return Nothing
End Try

Return ds
End Function

If found error Could not find installable ISAM that mean your connectionstring was wrong.


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morrison said...

This sample show how to read data from excel file by using Microsoft.Jet.OLEDB.Thanks for sharing it.

.net Programmer

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