2016-11-21 211 views
0
的CANCLE后

我在Windows应用程序的工作使用C#,当我尝试导出从我的DataGridView,SaveFileDialog开放,如果点击保存它的工作好,越来越Excelsheet但是当点击取消脱颖而出按钮不关闭SaveFileDialogue。 我知道有很多类似的问题,但没有帮助我。SaveFileDialog无法正常关闭点击SaveFileDialog

代码片段在这里..

Microsoft.Office.Interop.Excel._Application excel = new Microsoft.Office.Interop.Excel.Application(); 
    Microsoft.Office.Interop.Excel._Workbook workbook = excel.Workbooks.Add(Type.Missing); 
    Microsoft.Office.Interop.Excel._Worksheet worksheet = null; 

    try 
    { 

     worksheet = workbook.ActiveSheet; 

     worksheet.Name = "ExportedFromDatGrid"; 

     int cellRowIndex = 1; 
     int cellColumnIndex = 1; 

     int count = 1; 
     progressBar1.Minimum = 1; 


     for (int i = 0; i < dataGridView1.Rows.Count - 1; i++) 

     { 
      for (int j = 0; j < dataGridView1.Columns.Count; j++) 
      { 
       if (cellRowIndex == 1) 
       { 
        worksheet.Cells[cellRowIndex, cellColumnIndex] = dataGridView1.Columns[j].HeaderText; 

        cellRowIndex++; 
        worksheet.Cells[cellRowIndex, cellColumnIndex] = dataGridView1.Rows[i].Cells[j].Value.ToString(); 
        cellRowIndex = cellRowIndex - 1; 
       } 
       else 
       { 
        cellRowIndex++; 

        worksheet.Cells[cellRowIndex, cellColumnIndex] = dataGridView1.Rows[i].Cells[j].Value.ToString(); 

        cellRowIndex = cellRowIndex - 1; 
       } 
       cellColumnIndex++; 
      } 
      cellColumnIndex = 1; 
      cellRowIndex++; 

      count++; 
      progressBar1.Maximum = count; 
      progressBar1.PerformStep(); 

     } 


     SaveFileDialog saveDialog = new SaveFileDialog(); 
     saveDialog.Filter = "Excel files (*.xlsx)|*.xlsx|All files (*.*)|*.*"; 

     saveDialog.FilterIndex = 2; 

     saveDialog.RestoreDirectory = true; 
     saveDialog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Personal); 

     DialogResult dialogResult = saveDialog.ShowDialog(); 

     if (dialogResult == DialogResult.OK) 
     { 
      workbook.SaveAs(saveDialog.FileName); 
      MessageBox.Show("Export Successful"); 
     } 
     else if (dialogResult == DialogResult.Cancel) 
     { 
      if (MessageBox.Show("Are you sure you want to quit without saving?", "Quitting", 
       MessageBoxButtons.YesNo) == DialogResult.No) 
      { 
       this.DialogResult = DialogResult.None; 

      } 
     } 
    } 
    catch (System.Exception ex) 
    { 
     MessageBox.Show(ex.Message); 
    } 
    finally 
    { 
     excel.Quit(); 
     workbook = null; 
     excel = null; 

    } 

输出:

enter image description here

enter image description here

enter image description here

当我确认,我想在是退出,并按,我明白了帽子背面另一个弹出窗口是可见的,即图像3,并在克拉克的那个按钮后,我的项目工作。这个弹出窗口是怎么来的?

任何人都可以指向正确的方向吗?

在此先感谢。

回答

1

问题是,Excel试图自己照顾未保存的文件,因此当您尝试退出/关闭未保存的文件时,它会弹出消息。如果您不需要它并且不希望保存,则应该使用

workbook.Close(false, misValue, misValue) 

命令关闭工作簿。见这些问题的答案:
How to close-without-save an Excel /xlsm workbook, w/ a custom function, from C#
Closing Excel application with Excel Interop without save message

+0

标志着我的答案是正确的。提供的答案是非常有用的。谢谢@SashaDu –