public bool UpdateErrorProviderTextForProperty(string errorMessage, string propertyName)
{
if (string.IsNullOrEmpty(propertyName))
{
throw new ArgumentNullException("propertyName");
}
if (string.IsNullOrEmpty(errorMessage))
{
throw new ArgumentNullException("errorMessage");
}
bool result = false;
Binding bindingGivenPropertyName = this.GetBindingGivenPropertyName(propertyName);
if (bindingGivenPropertyName != null)
{
ExchangeErrorProvider exchangeErrorProvider = this.enabledBindingSources[(BindingSource)bindingGivenPropertyName.DataSource];
StringBuilder stringBuilder = new StringBuilder(exchangeErrorProvider.GetError(bindingGivenPropertyName.Control));
if (stringBuilder.Length > 0)
{
stringBuilder.AppendLine();
}
stringBuilder.Append(errorMessage);
Control errorProviderAnchor = InputValidationProvider.GetErrorProviderAnchor(bindingGivenPropertyName.Control);
exchangeErrorProvider.SetError(errorProviderAnchor, stringBuilder.ToString());
result = true;
}
return(result);
}
private void Control_EnabledChanged(object sender, EventArgs e)
{
Control control = (Control)sender;
if (!control.Enabled)
{
foreach (object obj in control.DataBindings)
{
Binding binding = (Binding)obj;
BindingSource bindingSource = binding.DataSource as BindingSource;
if (bindingSource != null)
{
ExchangeErrorProvider errorProvider = this.GetErrorProvider(bindingSource);
if (errorProvider != null)
{
Control errorProviderAnchor = InputValidationProvider.GetErrorProviderAnchor(control);
errorProvider.SetError(errorProviderAnchor, string.Empty);
}
}
}
}
}
