/// <summary>
/// Retrieves a control from the specified collection by Name.
/// </summary>
/// <typeparam name="TControl"></typeparam>
/// <param name="controls"></param>
/// <param name="controlName">
/// The name of the control which distinguishes it from other controls in the supplied
/// collection. The parent name prefix is not required if the controls in the collection have the same parent.
/// </param>
/// <param name="searchDepth">The depth of search to perform.</param>
/// <returns></returns>
public static TControl GetByName <TControl>(this IEnumerable <Control> controls, string controlName, SearchDepthSpecifier searchDepth = SearchDepthSpecifier.IncludeChildControls)
where TControl : System.Web.UI.Control
{
List <Control> matchingControls;
if (searchDepth == SearchDepthSpecifier.IncludeChildControls)
{
matchingControls = new List <Control>();
GetByNameRecursive <TControl>(controls, controlName, matchingControls);
}
else
{
matchingControls = controls.ToList();
}
matchingControls = matchingControls.Where(x => x.ID.Equals(controlName) || x.ID.EndsWith("_" + controlName)).ToList();
if (matchingControls.Count == 0)
{
throw new Exception(string.Format("Control Name \"{0}\" could not be found.", controlName));
}
if (matchingControls.Count > 1)
{
throw new Exception(string.Format("Control Name \"{0}\" is not unique in this collection.", controlName));
}
object control = matchingControls.First() as TControl;
if (control == null)
{
throw new Exception(string.Format("Control Name \"{0}\" does not match specified Type \"{1}\".", controlName, typeof(TControl).Name));
}
return((TControl)control);
}
/// <summary>
/// Retrieves a control from the specified collection by Name.
/// </summary>
/// <param name="controls"></param>
/// <param name="controlName">
/// The name of the control which distinguishes it from other controls in the supplied
/// collection. The parent name prefix is not required if the controls in the collection have the same parent.
/// </param>
/// <param name="searchDepth">The depth of search to perform.</param>
/// <returns></returns>
public static System.Web.UI.Control GetByName(this IEnumerable <Control> controls, string controlName, SearchDepthSpecifier searchDepth = SearchDepthSpecifier.IncludeChildControls)
{
List <Control> matchingControls;
if (searchDepth == SearchDepthSpecifier.IncludeChildControls)
{
matchingControls = new List <Control>();
GetByNameRecursive(controls, controlName, matchingControls);
}
else
{
matchingControls = controls.ToList();
}
matchingControls = matchingControls.Where(x => x.ID.Equals(controlName) || x.ID.EndsWith("_" + controlName)).ToList();
if (matchingControls.Count == 0)
{
throw new Exception(string.Format("Control Name \"{0}\" could not be found.", controlName));
}
if (matchingControls.Count > 1)
{
throw new Exception(string.Format("Control Name \"{0}\" is not unique in this collection.", controlName));
}
var control = matchingControls.First() as System.Web.UI.Control;
return(control);
}