DataGridColumnStyle.Edit Method

protected public:
 virtual void Edit(System::Windows::Forms::CurrencyManager ^ source, int rowNum, System::Drawing::Rectangle bounds, bool readOnly);

protected internal virtual void Edit (System.Windows.Forms.CurrencyManager source, int rowNum, System.Drawing.Rectangle bounds, bool readOnly);

abstract member Edit : System.Windows.Forms.CurrencyManager * int * System.Drawing.Rectangle * bool -> unit
override this.Edit : System.Windows.Forms.CurrencyManager * int * System.Drawing.Rectangle * bool -> unit

Protected Friend Overridable Sub Edit (source As CurrencyManager, rowNum As Integer, bounds As Rectangle, readOnly As Boolean)

Parameters

Remarks

Typically, the Edit method sites a control onto the grid at the location of the cell being edited.

protected public:
 virtual void Edit(System::Windows::Forms::CurrencyManager ^ source, int rowNum, System::Drawing::Rectangle bounds, bool readOnly, System::String ^ instantText);

protected public:
 virtual void Edit(System::Windows::Forms::CurrencyManager ^ source, int rowNum, System::Drawing::Rectangle bounds, bool readOnly, System::String ^ displayText);

protected internal virtual void Edit (System.Windows.Forms.CurrencyManager source, int rowNum, System.Drawing.Rectangle bounds, bool readOnly, string instantText);

protected internal virtual void Edit (System.Windows.Forms.CurrencyManager source, int rowNum, System.Drawing.Rectangle bounds, bool readOnly, string displayText);

abstract member Edit : System.Windows.Forms.CurrencyManager * int * System.Drawing.Rectangle * bool * string -> unit
override this.Edit : System.Windows.Forms.CurrencyManager * int * System.Drawing.Rectangle * bool * string -> unit

abstract member Edit : System.Windows.Forms.CurrencyManager * int * System.Drawing.Rectangle * bool * string -> unit
override this.Edit : System.Windows.Forms.CurrencyManager * int * System.Drawing.Rectangle * bool * string -> unit

Protected Friend Overridable Sub Edit (source As CurrencyManager, rowNum As Integer, bounds As Rectangle, readOnly As Boolean, instantText As String)

Protected Friend Overridable Sub Edit (source As CurrencyManager, rowNum As Integer, bounds As Rectangle, readOnly As Boolean, displayText As String)

Parameters

Examples

The following code example uses the Edit method to change the text of a clicked cell in the System.Windows.Forms.DataGrid control.

public ref class Form1: public Form
{
private:
   DataSet^ myDataSet;
   void dataGrid1_MouseDown( Object^ sender, MouseEventArgs^ e )
   {
      // Use the HitTest method to get a HitTestInfo object.
      System::Windows::Forms::DataGrid::HitTestInfo^ hi;
      DataGrid^ grid = dynamic_cast<DataGrid^>(sender);
      hi = grid->HitTest( e->X, e->Y );

      // Test if the clicked area was a cell.
      if ( hi->Type == DataGrid::HitTestType::Cell )
      {
         // If it's a cell, get the GridTable and CurrencyManager of the
         // clicked table.         
         DataGridTableStyle^ dgt = grid->TableStyles[ 0 ];
         CurrencyManager^ myCurrencyManager = dynamic_cast<CurrencyManager^>(this->BindingContext[ myDataSet->Tables[ dgt->MappingName ] ]);

         // Get the Rectangle of the clicked cell.
         Rectangle cellRect;
         cellRect = grid->GetCellBounds( hi->Row, hi->Column );

         // Get the clicked DataGridTextBoxColumn.
         MyColumnStyle ^ gridCol = dynamic_cast<MyColumnStyle^>(dgt->GridColumnStyles[ hi->Column ]);

         // Edit the value.
         gridCol->EditVal( myCurrencyManager, hi->Row, cellRect, false, "New Text" );
      }
   }


public:
   ref class MyColumnStyle: public DataGridTextBoxColumn
   {
   public:
      void EditVal( CurrencyManager^ cm, int row, Rectangle rec, bool readOnly, String^ text )
      {
         this->Edit( cm, row, rec, readOnly, text );
      }
   };
};

public class Form1: Form
{
static void Main(){}

protected DataSet myDataSet;

private void dataGrid1_MouseDown(object sender, MouseEventArgs e)
{
    // Use the HitTest method to get a HitTestInfo object.
    System.Windows.Forms.DataGrid.HitTestInfo hi;   
    DataGrid grid = (DataGrid) sender;
    hi=grid.HitTest(e.X, e.Y);
    // Test if the clicked area was a cell.
    if (hi.Type==DataGrid.HitTestType.Cell)
    {
       // If it's a cell, get the GridTable and CurrencyManager of the
       // clicked table.         
       DataGridTableStyle dgt = grid.TableStyles[0];     
       CurrencyManager myCurrencyManager = (CurrencyManager)
        this.BindingContext[myDataSet.Tables[dgt.MappingName]];
       // Get the Rectangle of the clicked cell.
       Rectangle cellRect;
       cellRect=grid.GetCellBounds(hi.Row, hi.Column);
       // Get the clicked DataGridTextBoxColumn.
       MyColumnStyle gridCol =(MyColumnStyle) 
       dgt.GridColumnStyles[hi.Column];
       // Edit the value.
       gridCol.EditVal(myCurrencyManager, hi.Row, cellRect, false, "New Text");
    }
 }

public class MyColumnStyle:DataGridTextBoxColumn{
    public void EditVal(CurrencyManager cm, int row, Rectangle rec, 
    bool readOnly, string text){
        this.Edit(cm, row, rec, readOnly, text);
    }
}
}

Public Class Form1
   Inherits Form

   Protected myDataSet As DataSet

   Shared Sub Main()
   End Sub
    
    Private Sub dataGrid1_MouseDown(ByVal sender As Object, ByVal e As MouseEventArgs)
        ' Use the HitTest method to get a HitTestInfo object.
        Dim hi As System.Windows.Forms.DataGrid.HitTestInfo
        Dim grid As DataGrid = CType(sender, DataGrid)
        hi = grid.HitTest(e.X, e.Y)
        ' Test if the clicked area was a cell.
        If hi.Type = DataGrid.HitTestType.Cell Then
            ' If it's a cell, get the GridTable and CurrencyManager of the
            ' clicked table.         
            Dim dgt As DataGridTableStyle = grid.TableStyles(0)
            Dim myCurrencyManager As CurrencyManager = _
            CType(Me.BindingContext _
            (myDataSet.Tables(dgt.MappingName)), CurrencyManager)
            ' Get the Rectangle of the clicked cell.
            Dim cellRect As Rectangle
            cellRect = grid.GetCellBounds(hi.Row, hi.Column)
            ' Get the clicked DataGridTextBoxColumn.
            Dim gridCol As MyColumnStyle = CType(dgt.GridColumnStyles _
            (hi.Column), MyColumnStyle)
            ' Edit the value.
            gridCol.EditVal(myCurrencyManager, hi.Row, cellRect, False, "New Text")
        End If
    End Sub
End Class 

Public Class MyColumnStyle
   Inherits DataGridTextBoxColumn
   Public Sub EditVal(cm As CurrencyManager, row As Integer, _
   rec As Rectangle, bReadOnly As Boolean, text As String)
      MyBase.Edit(cm, row, rec, bReadOnly, text)
   End Sub
End Class

Remarks

Typically, the Edit method sites a control onto the grid at the location of the cell being edited.

protected public:
 abstract void Edit(System::Windows::Forms::CurrencyManager ^ source, int rowNum, System::Drawing::Rectangle bounds, bool readOnly, System::String ^ instantText, bool cellIsVisible);

protected public:
 abstract void Edit(System::Windows::Forms::CurrencyManager ^ source, int rowNum, System::Drawing::Rectangle bounds, bool readOnly, System::String ^ displayText, bool cellIsVisible);

protected internal abstract void Edit (System.Windows.Forms.CurrencyManager source, int rowNum, System.Drawing.Rectangle bounds, bool readOnly, string instantText, bool cellIsVisible);

protected internal abstract void Edit (System.Windows.Forms.CurrencyManager source, int rowNum, System.Drawing.Rectangle bounds, bool readOnly, string displayText, bool cellIsVisible);

abstract member Edit : System.Windows.Forms.CurrencyManager * int * System.Drawing.Rectangle * bool * string * bool -> unit

abstract member Edit : System.Windows.Forms.CurrencyManager * int * System.Drawing.Rectangle * bool * string * bool -> unit

Protected Friend MustOverride Sub Edit (source As CurrencyManager, rowNum As Integer, bounds As Rectangle, readOnly As Boolean, instantText As String, cellIsVisible As Boolean)

Protected Friend MustOverride Sub Edit (source As CurrencyManager, rowNum As Integer, bounds As Rectangle, readOnly As Boolean, displayText As String, cellIsVisible As Boolean)

Parameters

Remarks

Typically, the Edit method sites a control onto the grid at the location of the cell being edited.