public void FindControlRecursive()
{
// Type
var @this = new Control();
@this.Controls.Add(new Control {ID = "Fizz"});
@this.Controls[0].Controls.Add(new Literal {ID = "Buzz"});
// Examples
Control value1 = @this.FindControlRecursive("Fizz"); // return control as Control.
var value2 = @this.FindControlRecursive<Literal>("Buzz"); // return control as Literal.
Control value3 = @this.FindControlRecursive("Z"); // return null;
}
private static void ToggleControlVisibility(Control userControl, string controlId, bool value)
{
if (userControl == null || string.IsNullOrEmpty(controlId))
return;
var control = userControl.FindControlRecursive(controlId);
if (control != null)
control.Visible = value;
}
//=========================================================== Helper methods
/// <summary>
/// Sets the label Text property based on the formatted text is included in that property.
/// </summary>
/// <param name="control">The control which should contain the label with labelId.</param>
/// <param name="labelId">The id of the label control withing the control.</param>
/// <param name="name">The name that is displayed in the label text.</param>
/// <param name="path">The path that is displayed in the label text.</param>
private static void SetLabel(Control control, string labelId, string name, string path)
{
var label = control.FindControlRecursive(labelId) as Label;
if (label == null)
return;
var format = label.Text;
try
{
label.Text = String.Format(format, name, path);
label.Visible = true;
}
catch (ArgumentNullException argumentNullException)
{
label.BackColor = System.Drawing.Color.Black;
label.ForeColor = System.Drawing.Color.Red;
label.Text = "You have a wrong formatted string in " + label.ID;
Logger.WriteException(argumentNullException);
}
catch (FormatException formatException)
{
label.BackColor = System.Drawing.Color.Black;
label.ForeColor = System.Drawing.Color.Red;
label.Text = "You have a wrong formatted string in " + label.ID;
Logger.WriteException(formatException);
}
}
