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我在WPF中使用VB.NET。我只知道,它似乎WPF數據網格是從DataGridView不同,下面是常用的VB出口例行WPF VB導出datagrid(不datagridview)到Excel
Private Sub BtnExport_Click(sender As Object, e As RoutedEventArgs)
Dim app As Object
Dim xlbook As Object
Dim xlsheet As Object
app = CreateObject("Excel.Application")
xlbook = app.Workbooks.Add()
xlsheet = xlbook.ActiveSheet
app.Visible = True
Try
Dim iX As Integer
Dim iY As Integer
Dim iC As Integer
Dim iz As Integer
For iC = 0 To DGJrn.Columns.Count - 1
xlsheet.Cells(1, iC + 1).Value = DGJrn.Columns(iC).Header
Next
iz = 1
For iX = 0 To DGJrn.Rows.Count - 1
For iY = 0 To DGJrn.Columns.Count - 1
Dim a As String = DGJrn(iY, iX).Value
If a <> Nothing Then xlsheet.Cells(iz + 1, iY + 1) = (DGJrn(iY, iX).Value & "").ToString()
Next
iz = iz + 1
Next
app.Visible = True
app.UserControl = True
releaseobject(app)
releaseobject(xlbook)
releaseobject(xlsheet)
Catch ex As Exception
'MessageBox.Show(ex.ToString())
End Try
AppActivate(System.Diagnostics.Process.GetCurrentProcess.Id)
MsgBox("Data has been successfuly generated!")
End Sub
我總是失敗,出現「數據網格不能被索引」能不能請你幫忙嗎? 編輯:添加XML和結合
<DataGrid x:Name="DGJrn" VerticalAlignment="Stretch" HorizontalAlignment="Stretch" Margin="10,10,10,39" AutoGenerateColumns="False" ItemsSource="{Binding}">
<DataGrid.Columns>
<DataGridTextColumn Header="id" Binding="{Binding Path=ID}" />
<DataGridTextColumn Header="JTYPE" Binding="{Binding Path=JType}" />
<DataGridTextColumn Header="JSRC" Binding="{Binding Path=JSrc}" />
<DataGridTextColumn Header="TRNDT" Binding="{Binding Path=TrnDt, StringFormat=\{0:dd/MM/yyyy\}}" />
<DataGridTextColumn Header="Period" Binding="{Binding Path=Period}" />
<DataGridTextColumn Header="Desc" Binding="{Binding Path=Desc}" />
<DataGridTextColumn Header="TrnRef" Binding="{Binding Path=TrnRef}" />
<DataGridTextColumn Header="AccCode" Binding="{Binding Path=AccCode}" />
<DataGridTextColumn Header="BASum" Binding="{Binding Path=BASum}" />
<DataGridTextColumn Header="DbtCrd" Binding="{Binding Path=DbtCrd}" />
<DataGridTextColumn Header="OtAmt" Binding="{Binding Path=OtAmt}" />
<DataGridTextColumn Header="T1" Binding="{Binding Path=T1}" />
<DataGridTextColumn Header="T2" Binding="{Binding Path=T2}" />
<DataGridTextColumn Header="T3" Binding="{Binding Path=T3}" />
<DataGridTextColumn Header="T4" Binding="{Binding Path=T4}" />
<DataGridTextColumn Header="T5" Binding="{Binding Path=T5}" />
<DataGridTextColumn Header="T6" Binding="{Binding Path=T6}" />
<DataGridTextColumn Header="T7" Binding="{Binding Path=T7}" />
<DataGridTextColumn Header="T8" Binding="{Binding Path=T8}" />
<DataGridTextColumn Header="Remrk" Binding="{Binding Path=Remrk}" />
</DataGrid.Columns>
</DataGrid>
連接:
Private Sub LoadGrid()
Dim DA As New OleDbDataAdapter
Dim DT As New System.Data.DataTable
Dim Cmd As New OleDbCommand
With ConAccess
Try
If .State = ConnectionState.Open Then .Close()
.Open()
Catch ex As Exception
MsgBox("Error Connection : " & ex.Message)
End Try
End With
Dim Sql As String = ""
Sql = "SELECT * FROM APJI;"
Cmd = New OleDbCommand(Sql, ConAccess)
DA.SelectCommand = Cmd
DA.Fill(DT)
DGJrn.ItemsSource = DT.DefaultView
End Sub
錯誤的來源可能是'DGJrn(iY,iX)'。解決方案取決於您的實際數據。你的數據網格是綁定到一些項目集合還是什麼是顯示內容的來源?您最好從與您的視圖相同的數據源創建導出,而不是嘗試從視圖本身創建導出。一般來說,WPF DataGrid中的單個單元格可以包含整個子應用程序(儘管這不是典型的用法),所以運氣從中得到一些原始的輸出值。 – grek40
我強烈建議將'DataTable DT'保存到某個地方,並根據該數據寫入導出,而不是DataGrid。 – grek40
嗨格雷克..我明白了你的觀點,我會嘗試找到一種方法來從DataTable導出。感謝您的意見 – audhie