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POExport sql query to Excel 97 file using vb.net
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2012-01-17T14:29:51.077
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<p>I have a desktop app, I use this code to create a .xls file using a FileStream object:</p> <pre><code>Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim i As Integer Dim strLine As String = "" Dim fileExcel As String Dim objFileStream As FileStream Dim objStreamWriter As StreamWriter Dim cnn As SqlConnection = New SqlConnection("...Connection...") 'Create a pseudo-random file name. fileExcel = "c:\temp\test.xls" 'Use FileStream to create the .xls file. objFileStream = New FileStream(fileExcel, FileMode.OpenOrCreate, FileAccess.Write) objStreamWriter = New StreamWriter(objFileStream) 'Use a DataReader to connect to the Pubs database. cnn.Open() Dim sql As String = "select top 5 idWO, Number, Comment from tblWorkorder (nolock)" Dim cmd As SqlCommand = New SqlCommand(sql, cnn) Dim dr As SqlDataReader dr = cmd.ExecuteReader() 'Enumerate the field names and records that are used to build the file. For i = 0 To dr.FieldCount - 1 strLine = strLine & dr.GetName(i).ToString & Chr(9) Next 'Write the field name information to file. objStreamWriter.WriteLine(strLine) 'Reinitialize the string for data. strLine = "" 'Enumerate the database that is used to populate the file. While dr.Read() For i = 0 To dr.FieldCount - 1 strLine = strLine & dr.GetValue(i) & Chr(9) Next objStreamWriter.WriteLine(strLine) strLine = "" End While 'Clean up. dr.Close() cnn.Close() objStreamWriter.Close() objFileStream.Close() End Sub </code></pre> <p>This works fine, but when I open the .xls file created, I get: "The file you are trying to open, is in a different format than specified in the file extension..." so I guess that it creates a .xlsx (2007) file instead a .xls (97-2003). So I wonder if there is any way to specify the version in which I want the excel file?</p>
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<vb.net><excel>
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Export sql query to Excel 97 file using vb.net
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