Winform实现在Datagridview列首右键弹出隐藏列菜单

在Winform中右键弹出Datagridview显示列菜单已经有很多人做了,参看下面链接.

http://www.codeproject.com/KB/grid/DGVColumnSelector.aspx

源码链接http://www.codeproject.com/KB/grid/DGVColumnSelector/DataGridViewColumnSelector_src.zip

但当你的有很多很多列或你对你的列名们不是太熟悉就有些麻烦了,把要显示的列勾选出来是一件很头疼的事.

下面提出直接隐藏当前列的办法,以抛砖引玉.

首先在FORM中添加一个Datagridview,一个ContextMenuStrip,给ContextMenuStrip加一个显示名为(隐藏)的ToolStripMenuItem

代码很简单,加了个变量TempColIndex存储当前列的索引,我就不做注释了.

 

  
    

   
     
   
     Public
   
      
   
     Class
   
      Form1
 
   
     Dim
   
      TempColIndex 
   
     As
   
      Int16 
   
     =
   
      
   
     -
   
     2
   
     
 
   
     Private
   
      
   
     Sub
   
      DataGridView1_CellMouseDown(
   
     ByVal
   
      sender 
   
     As
   
      
   
     Object
   
     , 
   
     ByVal
   
      e 
   
     As
   
      System.Windows.Forms.DataGridViewCellMouseEventArgs) 
   
     Handles
   
      DataGridView1.CellMouseDown
 
   
     If
   
      e.Button 
   
     =
   
      Windows.Forms.MouseButtons.Right 
   
     Then
   
     
 
   
     If
   
      e.RowIndex 
   
     <
   
      
   
     0
   
      
   
     Then
   
     
 TempColIndex 
   
     =
   
      e.ColumnIndex
 ContextMenuStrip1.Show(MousePosition.X, MousePosition.Y)

 
   
     End
   
      
   
     If
   
     
 
   
     End
   
      
   
     If
   
     

 
   
     End Sub
   
     

 
   
     Private
   
      
   
     Sub
   
      隐藏ToolStripMenuItem_Click(
   
     ByVal
   
      sender 
   
     As
   
      System.Object, 
   
     ByVal
   
      e 
   
     As
   
      System.EventArgs) 
   
     Handles
   
      隐藏ToolStripMenuItem.Click
 
   
     If
   
      TempColIndex 
   
     >=
   
      
   
     0
   
      
   
     Then
   
     
 DataGridView1.Columns(TempColIndex).Visible 
   
     =
   
      
   
     False
   
     
 
   
     End
   
      
   
     If
   
     
 
   
     End Sub
   
     

   
     End Class
  
    

 

  
    

   
     
   
     public
   
      
   
     class
   
      Form1 
{ 
 Int16 TempColIndex 
   
     =
   
      
   
     -
   
     1
   
     ; 
 
 
   
     private
   
      void DataGridView1_CellMouseDown(
   
     object
   
      sender, System.Windows.Forms.DataGridViewCellMouseEventArgs e) 
 { 
 
   
     if
   
      (e.Button 
   
     ==
   
      Windows.Forms.MouseButtons.Right) { 
 
   
     if
   
      (e.RowIndex 
   
     <
   
      
   
     0
   
     ) { 
 TempColIndex 
   
     =
   
      e.ColumnIndex; 
 
 ContextMenuStrip1.Show(MousePosition.X, MousePosition.Y); 
 } 
 
 } 
 } 
 
 
   
     private
   
      void 隐藏ToolStripMenuItem_Click(System.Object sender, System.EventArgs e) 
 { 
 
   
     if
   
      (TempColIndex 
   
     >=
   
      
   
     0
   
     ) { 
 DataGridView1.Columns(TempColIndex).Visible 
   
     =
   
      
   
     false
   
     ; 
 } 
 } 
}