Save Dataset As Excel File C#
Save Dataset As Excel File C#
Code Block Imports Microsoft.Office.Interop Public Class Form1 Private Sub Button1Click( ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click 'Set up a DataSet Dim ds As New DataSet ds.Tables.Add( 'Table' ) ds.Tables(0).Columns.Add( 'Col1' ) ds.Tables(0).Columns.Add( 'Col2' ) ds.Tables(0).Rows.Add(1, 2) ds.Tables(0).Rows.Add(3, 4) ds.Tables(0).Rows.Add(5, 6) Try Dim oXL As Excel.Application Dim oWB As Excel.Workbook Dim oSheet As Excel.Worksheet Dim oRng As Excel.Range 'On Error GoTo ErrHandler ' Start Excel and get Application object. OXL = New Excel.Application oXL.Visible = True ' Get a new workbook. OWB = oXL.Workbooks.Add oSheet = oWB.ActiveSheet '//Write Dataset to Excel Sheet Dim irow As Integer = 1 For Each dr As DataRow In ds.Tables(0).Rows irow += 1 Dim icol As Integer = 1 For Each c As String In dr.ItemArray icol += 1 'Determine cell to write oSheet.Cells(irow, icol).Value = c Next Next ' Make sure Excel is visible and give the user control ' of Microsoft Excel's lifetime. OXL.Visible = True oXL.UserControl = True ' Make sure you release object references. ORng = Nothing oSheet = Nothing oWB = Nothing oXL = Nothing Catch ex As Exception MsgBox(Err.Description, vbCritical, 'Error: ' & Err.Number) End Try End Sub End Class. Code Block Imports Microsoft.Office.Interop Public Class Form1 Private Sub Button1Click( ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click 'Set up a DataSet Dim ds As New DataSet ds.Tables.Add( 'Table' ) ds.Tables(0).Columns.Add( 'Col1' ) ds.Tables(0).Columns.Add( 'Col2' ) ds.Tables(0).Rows.Add(1, 2) ds.Tables(0).Rows.Add(3, 4) ds.Tables(0).Rows.Add(5, 6) Try Dim oXL As Excel.Application Dim oWB As Excel.Workbook Dim oSheet As Excel.Worksheet Dim oRng As Excel.Range 'On Error GoTo ErrHandler ' Start Excel and get Application object. OXL = New Excel.Application oXL.Visible = True ' Get a new workbook.
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OWB = oXL.Workbooks.Add oSheet = oWB.ActiveSheet '//Write Dataset to Excel Sheet Dim irow As Integer = 1 For Each dr As DataRow In ds.Tables(0).Rows irow += 1 Dim icol As Integer = 1 For Each c As String In dr.ItemArray icol += 1 'Determine cell to write oSheet.Cells(irow, icol).Value = c Next Next ' Make sure Excel is visible and give the user control ' of Microsoft Excel's lifetime. OXL.Visible = True oXL.UserControl = True ' Make sure you release object references. ORng = Nothing oSheet = Nothing oWB = Nothing oXL = Nothing Catch ex As Exception MsgBox(Err.Description, vbCritical, 'Error: ' & Err.Number) End Try End Sub End Class. Hi, you can easily export (existing or new spreadsheet) with this component. Here is a sample VB.NET code how to export DataSet to existing Excel spreadsheet: ' Create new Excel file. Dim excelFile = New ExcelFile ' Load Excel file from XLS format.
Excel Data File
ExcelFile.LoadXls(filePath) ' Append each DataTable to a worksheet with the same name. For Each dataTable As DataTable In dataSet.Tables Dim worksheet = excelFile.Worksheets(dataTable.TableName) worksheet.InsertDataTable(dataTable, worksheet.Rows.Count, 0, False) Next ' Save Excel file to XLS format. I know i am about two years late Private Sub Button1Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click 'Set up a DataSet Me.TblDatabaseTableAdapter.Fill(Me.RecordsDataSet.tblDatabase) Try Dim oXL As Excel.Application Dim oWB As Excel.Workbook Dim oSheet As Excel.Worksheet Dim oRng As Excel.Range 'On Error GoTo ErrHandler ' Start Excel and get Application object. OXL = New Excel.Application oXL.Visible = True ' Get a new workbook. OWB = oXL.Workbooks.Add oSheet = oWB.ActiveSheet '//Write Dataset to Excel Sheet Dim coll As Integer = 1 Dim irow As Integer = 1 For Each dr As DataRow In RecordsDataSet.Tables(0).Rows irow += 1 Dim icol As Integer = 1 For Each c As String In dr.ItemArray icol += 1 'Determine cell to write oSheet.Cells(irow, icol).Value = c Next Next ' Make sure Excel is visible and give the user control ' of Microsoft Excel's lifetime. OXL.Visible = True oXL.UserControl = True ' Make sure you release object references.
ORng = Nothing oSheet = Nothing oWB = Nothing oXL = Nothing Catch ex As Exception MsgBox(Err.Description, vbCritical, 'Error: ' & Err.Number) End Try End Sub i have use your method and it work great the only problem is i cant get the column name/header.