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6.0

Convert XLS to dataset and update database

Asked by clearchannel in Programming for ASP.NET, Microsoft Visual Basic.Net

I am trying to upload an XLS spreadsheet put it into a dataset and then loop through the dataset and update my database.

At the moment I can populate the Gridview1 with the xls BUT it  gets all the EMPTY rows from the xlas as well as the data rows, which is no good!

Another issue is that i keep getting System.IO.IOException errors due to the file bing in use all the time when the Subroutine fails.

And the final issue is with the id/RosterID field. If there is a new entry in the xls spreadsheet there is no id field and so I default it to 0 unless there is a value for id, but there is an issue here in that it says it's null but I am not understanding why

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If FileUpload1.HasFile Then
            FileUpload1.PostedFile.SaveAs(Server.MapPath("/roster/temp/rosterimport.xls"))
 
            'View in grid
            'Dim objDataAdapter As New OleDbDataAdapter()
            'objDataAdapter.SelectCommand = ExcelConnection()
            'Dim objDataSet As New DataSet()
            'objDataAdapter.Fill(objDataSet)
            'GridView1.DataSource = objDataSet.Tables(0).DefaultView
            'GridView1.DataBind()
            'GridView1.Visible = True
            'objDataAdapter.Dispose()
            'objDataSet.Dispose()
 
 
           Dim objDataAdapter As New OleDbDataAdapter()
            objDataAdapter.SelectCommand = ExcelConnection()
            Dim dsRosterUpdate As New DataSet()
            objDataAdapter.Fill(dsRosterUpdate)
            Dim i As Integer = 0
 
            While i < dsRosterUpdate.Tables(0).Rows.Count
                Dim RosterID As Integer = dsRosterUpdate.Tables(0).Rows(i)("id")
                Dim FirstName As String = Convert.ToString(dsRosterUpdate.Tables(0).Rows(i)("first_name"))
                Dim LastName As String = Convert.ToString(dsRosterUpdate.Tables(0).Rows(i)("last_name"))
                Dim JobTitle As String = Convert.ToString(dsRosterUpdate.Tables(0).Rows(i)("job_title"))
                Dim Department As String = Convert.ToString(dsRosterUpdate.Tables(0).Rows(i)("department"))
                Dim Market As String = Convert.ToString(dsRosterUpdate.Tables(0).Rows(i)("market"))
                Dim BusinessUnit As String = Convert.ToString(dsRosterUpdate.Tables(0).Rows(i)("business_unit"))
                Dim Division As String = Convert.ToString(dsRosterUpdate.Tables(0).Rows(i)("division"))
                Dim Email As String = Convert.ToString(dsRosterUpdate.Tables(0).Rows(i)("email"))
                Dim Tel As String = Convert.ToString(dsRosterUpdate.Tables(0).Rows(i)("tel"))
                Dim DirectTel As String = Convert.ToString(dsRosterUpdate.Tables(0).Rows(i)("direct_tel"))
                Dim Fax As String = Convert.ToString(dsRosterUpdate.Tables(0).Rows(i)("fax"))
                Dim Mobile As String = Convert.ToString(dsRosterUpdate.Tables(0).Rows(i)("mobile"))
                Dim Address As String = Convert.ToString(dsRosterUpdate.Tables(0).Rows(i)("address"))
                Dim Assistant As String = Convert.ToString(dsRosterUpdate.Tables(0).Rows(i)("assistant"))
                Dim AssistantTel As String = Convert.ToString(dsRosterUpdate.Tables(0).Rows(i)("assistant_tel"))
                Dim Languages As String = Convert.ToString(dsRosterUpdate.Tables(0).Rows(i)("languages"))
                Dim OtherInfo As String = Convert.ToString(dsRosterUpdate.Tables(0).Rows(i)("other_info"))
 
                ImportLabel.Text &= RosterID & " " & LastName & " " & FirstName & " " & JobTitle & " " & Department & " " & Market & " " & BusinessUnit & " " & Division & " " & Email & " " & Tel & " " & DirectTel & " " & Fax & " " & Mobile & "<br>" & Address & " " & Assistant & " " & AssistantTel & " " & Languages & " " & OtherInfo & "<hr>"
 
                If RosterID <> 0 Then
                    ImportLabel.Text &= "<font color='Blue'>Roster Update!</font><br>"
                    'UpdateRoster(RosterID, LastName, FirstName, JobTitle, Department, Market, BusinessUnit, Division, Email, Tel, DirectTel, Fax, Mobile, Address, Assistant, AssistantTel, Languages, OtherInfo)
                Else
                    ImportLabel.Text &= "<font color='green'>Roster Insert!</font><br>"
                    'AddToRoster(LastName, FirstName, JobTitle, Department, Market, BusinessUnit, Division, Email, Tel, DirectTel, Fax, Mobile, Address, Assistant, AssistantTel, Languages, OtherInfo)
                End If
 
                i += 1
            End While
            
        End If
    End Sub
 
    Protected Function ExcelConnection() As OleDbCommand
        Dim xConnStr As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & Server.MapPath("/roster/temp/rosterimport.xls") & ";Extended Properties=Excel 8.0;"
        Dim objXConn As New OleDbConnection(xConnStr)
        objXConn.Open()
        Dim objCommand As New OleDbCommand("SELECT * FROM [Roster$]", objXConn)
        Return objCommand
    End Function
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[+][-]03/10/09 05:13 AM, ID: 23845669Accepted Solution

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Zones: Programming for ASP.NET, Microsoft Visual Basic.Net
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Solution Provided By: clearchannel
Participating Experts: 1
Solution Grade: A
 
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