public override void InitializeEditingControl(int rowIndex, object initialFormattedValue, DataGridViewCellStyle dataGridViewCellStyle)
{
base.InitializeEditingControl(rowIndex, initialFormattedValue, dataGridViewCellStyle);
NumericUpDownEditingControl ctl = DataGridView.EditingControl as NumericUpDownEditingControl;
ctl.Minimum = this.min;
ctl.Maximum = this.max;
ctl.Value = Convert.ToDecimal(this.Value);
}
public void TestNumericUpDownEditingControl_HasCorrectSettings()
{
//---------------Set up test pack-------------------
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
NumericUpDownEditingControl editingControl = new NumericUpDownEditingControl();
//---------------Test Result -----------------------
Assert.AreEqual(2, editingControl.DecimalPlaces);
Assert.IsFalse(editingControl.RepositionEditingControlOnValueChange);
Assert.AreEqual(0, editingControl.EditingControlRowIndex);
Assert.IsNull(editingControl.EditingControlDataGridView);
Assert.IsFalse(editingControl.EditingControlValueChanged);
}
public void TestNumericUpDownEditingControl_EditingControlFormattedValue()
{
//---------------Set up test pack-------------------
NumericUpDownEditingControl editingControl = new NumericUpDownEditingControl();
//---------------Assert Precondition----------------
string defaultValueString = 0D.ToString("0.00");
Assert.AreEqual(defaultValueString, editingControl.EditingControlFormattedValue);
//Assert.AreEqual(defaultValueString, editingControl.GetEditingControlFormattedValue(null));
//---------------Execute Test ----------------------
// REQUIRES A PARENT GRID FOR DIRTY NOTIFICATION, NOT WORTH THE TROUBLE?
//Decimal dtValue = 12.345;
//editingControl.EditingControlFormattedValue = dtValue.ToString();
////---------------Test Result -----------------------
//Assert.AreEqual(dtValue.ToString("0.00"), editingControl.EditingControlFormattedValue);
}
private void dataGridView1_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
{
var ctl = e.Control as NumericUpDownEditingControl;
if (ctl != null) //&& ctl != lastCtl
{
if (handler == null)
{
handler = new EventHandler(myUpDownCtl_ValueChanged); //save a handler has better performance
}
//Event => ValueChanged: just fires for Up/Dn btn or when press enter, TextChanged: also fired during user typing
if (lastCtl != null)
{
lastCtl.ValueChanged -= handler; //ensure we remove our handler.
}
lastCtl = ctl;
lastCtl.ValueChanged += handler; //we can use myUpDownCtl_ValueChanged directly instead of that handler var
//handler(sender, EventArgs.Empty);
}
}
public override void InitializeEditingControl(int rowIndex, object
initialFormattedValue, DataGridViewCellStyle dataGridViewCellStyle)
{
// Set the value of the editing control to the current cell value.
base.InitializeEditingControl(rowIndex, initialFormattedValue,
dataGridViewCellStyle);
NumericUpDownEditingControl ctl =
DataGridView.EditingControl as NumericUpDownEditingControl;
// Use the default row value when Value property is null.
if (this.Value == null)
{
ctl.Value = (decimal)this.DefaultNewRowValue;
}
else
{
var value = (float)this.Value;
ctl.Value = (decimal)value;
}
}
