public static T GetRequiredEnumViewState <T>(StateBag viewState, string fieldName) where T : struct
{
T?returnValue = WebFormsHelper.GetEnumViewState <T>(viewState, fieldName);
if (!returnValue.HasValue)
{
throw new Exception(string.Format("Missing required ViewState {0} value \"{1}\"", typeof(T).Name, fieldName));
}
return(returnValue.Value);
}
protected T GetEnumViewState <T>(string fieldName, T defaultValue) where T : struct
{
return(WebFormsHelper.GetEnumViewState <T>(this.ViewState, fieldName, defaultValue));
}
public static T GetEnumViewState <T>(StateBag viewState, string fieldName, T defaultValue) where T : struct
{
T?returnValue = WebFormsHelper.GetEnumViewState <T>(viewState, fieldName);
return(returnValue.GetValueOrDefault(defaultValue));
}
protected T?GetEnumViewState <T>(string fieldName) where T : struct
{
return(WebFormsHelper.GetEnumViewState <T>(this.ViewState, fieldName));
}