private void variableTextBox_Validating(object sender, CancelEventArgs e)
{
if (pxVariableBindingSource.DataSource == null)
{
return;
}
PxVariable var = ((PxVariable)pxVariableBindingSource.DataSource);
if (var.IsNew)
{
if (VariableFacade.VariableExisit(var.Variable))
{
MessageBox.Show("Variable already exists!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
e.Cancel = true;
}
}
}
