DataGridView Excel 내보내기

  
    

   
     
   
     private
   
      
   
     void
   
      SaveExcel(DataGridView dataGridView1,
   
     string
   
      filename)
{
 
   
     if
   
      (dataGridView1.Rows.Count 
   
     ==
   
      
   
     0
   
     ) 
 
   
     return
   
     ; 

 Microsoft.Office.Interop.Excel.ApplicationClass _x 
   
     =
   
      
  
    
  
    

   
     
   
     　　　　　　new
   
      Microsoft.Office.Interop.Excel.ApplicationClass();
 _x.UserControl 
   
     =
   
      
   
     false
   
     ;
 Microsoft.Office.Interop.Excel.WorkbookClass wb 
   
     =
   
      
  
    
  
    

   
     　　　　　　(Microsoft.Office.Interop.Excel.WorkbookClass)
   
     this
   
     ._x.Workbooks.Add(System.Reflection.Missing.Value);
 
   
     //
   
      
   
     

   
      
   
     for
   
      (
   
     int
   
      i 
   
     =
   
      
   
     0
   
     ; i 
   
     <
   
      dataGridView1.ColumnCount; i
   
     ++
   
     )
 {
 _x.Cells[
   
     1
   
     , i 
   
     +
   
      
   
     1
   
     ] 
   
     =
   
      dataGridView1.Columns[i].HeaderText;
 }

 
   
     //
   
       
   
     

   
      
   
     for
   
      (
   
     int
   
      i 
   
     =
   
      
   
     0
   
     ; i 
   
     <
   
      dataGridView1.RowCount 
   
     -
   
      
   
     1
   
     ; i
   
     ++
   
     )
 {
 
   
     for
   
      (
   
     int
   
      j 
   
     =
   
      
   
     0
   
     ; j 
   
     <
   
      dataGridView1.ColumnCount; j
   
     ++
   
     )
 {
 
   
     if
   
      (dataGridView1[j, i].ValueType 
   
     ==
   
      
   
     typeof
   
     (
   
     string
   
     ))
 {
 _x.Cells[i 
   
     +
   
      
   
     2
   
     , j 
   
     +
   
      
   
     1
   
     ] 
   
     =
   
      
   
     "
   
     '
   
     "
   
      
   
     +
   
      dataGridView1[j, i].Value.ToString();
 }
 
   
     else
   
     
 {
 _x.Cells[i 
   
     +
   
      
   
     2
   
     , j 
   
     +
   
      
   
     1
   
     ] 
   
     =
   
      dataGridView1[j, i].Value.ToString();
 }
 }
 }

 wb.Saved 
   
     =
   
      
   
     true
   
     ;
 
   
     this
   
     ._x.ActiveWorkbook.SaveCopyAs(filename);
 
   
     this
   
     ._x.Quit();
 System.Runtime.InteropServices.Marshal.ReleaseComObject((
   
     object
   
     )_x);
 System.GC.Collect();
}