DataGridTableStyle.AllowSortingChanged Event
Definition
Important
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Occurs when the AllowSorting property value changes.
public:
event EventHandler ^ AllowSortingChanged;
public event EventHandler AllowSortingChanged;
member this.AllowSortingChanged : EventHandler
Public Custom Event AllowSortingChanged As EventHandler
Event Type
Examples
The following code example allows you to toggle sorting availability on a DataGrid by clicking a button and the current sorting status is displayed in a label. This example requires that you have a DataGrid with a System.Data.DataSet that contains some data, a Button and a Label on a Form.
private:
void DataGridTableStyle_Sample_Load( Object^ /*sender*/, EventArgs^ /*e*/ )
{
myDataGridTableStyle1 = gcnew DataGridTableStyle;
mylabel->Text = String::Concat( "Sorting Status : ", myDataGridTableStyle1->AllowSorting );
if ( myDataGridTableStyle1->AllowSorting == true )
{
btnApplyStyles->Text = "Remove Sorting";
}
else
{
btnApplyStyles->Text = "Apply Sorting";
}
myDataGridTableStyle1->AllowSortingChanged += gcnew System::EventHandler(
this, &DataGridTableStyle_Sample::AllowSortingChanged_Handler );
myDataGridTableStyle1->MappingName = "Customers";
}
void AllowSortingChanged_Handler( Object^ /*sender*/, EventArgs^ /*e*/ )
{
mylabel->Text = String::Concat( "Sorting Status : ", myDataGridTableStyle1->AllowSorting );
}
void btnApplyStyles_Click( Object^ /*sender*/, EventArgs^ /*e*/ )
{
if ( myDataGridTableStyle1->AllowSorting == true )
{
// Remove sorting.
myDataGridTableStyle1->AllowSorting = false;
btnApplyStyles->Text = "Allow Sorting";
}
else
{
// Allow sorting.
myDataGridTableStyle1->AllowSorting = true;
btnApplyStyles->Text = "Remove Sorting";
}
mylabel->Text = String::Concat( "Sorting Status : ", myDataGridTableStyle1->AllowSorting );
// Add the DataGridTableStyle to DataGrid.
myDataGrid->TableStyles->Add( myDataGridTableStyle1 );
}
private void DataGridTableStyle_Sample_Load(object sender,
EventArgs e)
{
myDataGridTableStyle1 = new DataGridTableStyle();
mylabel.Text = "Sorting Status :" +
myDataGridTableStyle1.AllowSorting.ToString();
if(myDataGridTableStyle1.AllowSorting == true)
{
btnApplyStyles.Text = "Remove Sorting";
}
else
{
btnApplyStyles.Text = "Apply Sorting";
}
// Attach custom event handlers.
myDataGridTableStyle1.AllowSortingChanged +=
new System.EventHandler(AllowSortingChanged_Handler);
myDataGridTableStyle1.MappingName = "Customers";
}
private void AllowSortingChanged_Handler(object sender,EventArgs e)
{
mylabel.Text = "Sorting Status :"
+ myDataGridTableStyle1.AllowSorting.ToString();
}
private void btnApplyStyles_Click(object sender, EventArgs e)
{
if(myDataGridTableStyle1.AllowSorting == true)
{
// Remove sorting.
myDataGridTableStyle1.AllowSorting = false;
btnApplyStyles.Text = "Allow Sorting";
}
else
{
// Allow sorting.
myDataGridTableStyle1.AllowSorting = true;
btnApplyStyles.Text = "Remove Sorting";
}
mylabel.Text = "Sorting Status :" + myDataGridTableStyle1.AllowSorting;
// Add the DataGridTableStyle to DataGrid.
myDataGrid.TableStyles.Add(myDataGridTableStyle1);
}
Private Sub DataGridTableStyle_Sample_Load(ByVal sender As Object, _
ByVal e As EventArgs) Handles MyBase.Load
myDataGridTableStyle1 = New DataGridTableStyle()
mylabel.Text = "Sorting Status :" + myDataGridTableStyle1.AllowSorting.ToString()
If myDataGridTableStyle1.AllowSorting = True Then
btnApplyStyles.Text = "Remove Sorting"
Else
btnApplyStyles.Text = "Apply Sorting"
End If
' Attach custom event handlers.
AddHandler myDataGridTableStyle1.AllowSortingChanged, AddressOf AllowSortingChanged_Handler
myDataGridTableStyle1.MappingName = "Customers"
End Sub
Private Sub AllowSortingChanged_Handler(ByVal sender As Object, ByVal e As EventArgs)
mylabel.Text = "Sorting Status :" + myDataGridTableStyle1.AllowSorting.ToString()
End Sub
Private Sub btnApplyStyles_Click(ByVal sender As Object, _
ByVal e As EventArgs) Handles btnApplyStyles.Click
If myDataGridTableStyle1.AllowSorting = True Then
' Remove sorting.
myDataGridTableStyle1.AllowSorting = False
btnApplyStyles.Text = "Allow Sorting"
Else
' Allow sorting.
myDataGridTableStyle1.AllowSorting = True
btnApplyStyles.Text = "Remove Sorting"
End If
mylabel.Text = "Sorting Status :" + myDataGridTableStyle1.AllowSorting.ToString
' Add the DataGridTableStyle to DataGrid.
myDataGrid.TableStyles.Add(myDataGridTableStyle1)
End Sub
Remarks
For more information about handling events, see Handling and Raising Events.
Applies to
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