protected virtual void OnCallingDataMethods(CallingDataMethodsEventArgs e)
{
CallingDataMethodsEventHandler handler = Events[EventCallingDataMethods] as CallingDataMethodsEventHandler;
if (handler != null)
{
handler(_owner.DataControl, e);
}
}
/// <summary>
/// Finds the method to be executed. Raises the CallingDataMethods event to see if developer opted in for custom model method look-up instead of page/usercontrol code behind.
/// Uses the TemplateControl type as a fallback.
/// </summary>
/// <param name="methodName">Name of the data method.</param>
/// <returns>
/// A ModelDataSourceMethod with the Instance and MethodInfo set.
/// The Parameters collection on ModelDataSourceMethod is still empty after this method.
/// </returns>
protected virtual ModelDataSourceMethod FindMethod(string methodName)
{
CallingDataMethodsEventArgs e = new CallingDataMethodsEventArgs();
OnCallingDataMethods(e);
Type type;
BindingFlags flags;
object instance;
if (e.DataMethodsType != null)
{
if (e.DataMethodsObject != null)
{
throw new InvalidOperationException(SR.GetString(SR.ModelDataSourceView_MultipleModelMethodSources, methodName));
}
flags = BindingFlags.Public | BindingFlags.Static | BindingFlags.FlattenHierarchy;
instance = null;
type = e.DataMethodsType;
}
else if (e.DataMethodsObject != null)
{
flags = BindingFlags.Public | BindingFlags.Instance;
instance = e.DataMethodsObject;
type = instance.GetType();
}
else
{
//The compiled page code is a child class of code behind class where usually static methods are defined.
//We will not get those methods unless we use FlattenHierarchy.
flags = BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static | BindingFlags.FlattenHierarchy;
instance = _owner.DataControl.TemplateControl;
type = instance.GetType();
}
MethodInfo[] allMethods = type.GetMethods(flags);
MethodInfo[] actionMethods = Array.FindAll(allMethods, methodInfo => methodInfo.Name.Equals(methodName, StringComparison.OrdinalIgnoreCase));
if (actionMethods.Length != 1)
{
throw new InvalidOperationException(SR.GetString(SR.ModelDataSourceView_DataMethodNotFound, methodName, type));
}
ValidateMethodIsCallable(actionMethods[0]);
return(new ModelDataSourceMethod(instance: instance, methodInfo: actionMethods[0]));
}
protected void GetAccountController(object sender, CallingDataMethodsEventArgs e)
{
e.DataMethodsObject = new AccountController();
}
protected void Page_CallingDataMethods(object sender, CallingDataMethodsEventArgs e)
{
e.DataMethodsObject = Page.Items["controller"];
}
protected void DataBoundControl_CallingDataMethods(object sender, CallingDataMethodsEventArgs e)
{
HttpContext.Current.Items["_GlimpseWebFormModelBinding"] = new DataBindParameterModel(Offset);
}
protected void FormView1_CallingDataMethods(object sender, CallingDataMethodsEventArgs e)
{
e.DataMethodsObject = new PersonSearch();
}
protected virtual void OnCallingDataMethods(CallingDataMethodsEventArgs e) {
CallingDataMethodsEventHandler handler = Events[EventCallingDataMethods] as CallingDataMethodsEventHandler;
if (handler != null) {
handler(_owner.DataControl, e);
}
}
/// <summary>
/// Finds the method to be executed. Raises the CallingDataMethods event to see if developer opted in for custom model method look-up instead of page/usercontrol code behind.
/// Uses the TemplateControl type as a fallback.
/// </summary>
/// <param name="methodName">Name of the data method.</param>
/// <returns>
/// A ModelDataSourceMethod with the Instance and MethodInfo set.
/// The Parameters collection on ModelDataSourceMethod is still empty after this method.
/// </returns>
protected virtual ModelDataSourceMethod FindMethod(string methodName) {
CallingDataMethodsEventArgs e = new CallingDataMethodsEventArgs();
OnCallingDataMethods(e);
Type type;
BindingFlags flags;
object instance;
if (e.DataMethodsType != null) {
if (e.DataMethodsObject != null) {
throw new InvalidOperationException(SR.GetString(SR.ModelDataSourceView_MultipleModelMethodSources, methodName));
}
flags = BindingFlags.Public | BindingFlags.Static | BindingFlags.FlattenHierarchy;
instance = null;
type = e.DataMethodsType;
}
else if (e.DataMethodsObject != null) {
flags = BindingFlags.Public | BindingFlags.Instance;
instance = e.DataMethodsObject;
type = instance.GetType();
}
else {
//The compiled page code is a child class of code behind class where usually static methods are defined.
//We will not get those methods unless we use FlattenHierarchy.
flags = BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static | BindingFlags.FlattenHierarchy;
instance = _owner.DataControl.TemplateControl;
type = instance.GetType();
}
MethodInfo[] allMethods = type.GetMethods(flags);
MethodInfo[] actionMethods = Array.FindAll(allMethods, methodInfo => methodInfo.Name.Equals(methodName, StringComparison.OrdinalIgnoreCase));
if (actionMethods.Length != 1) {
throw new InvalidOperationException(SR.GetString(SR.ModelDataSourceView_DataMethodNotFound, methodName, type));
}
ValidateMethodIsCallable(actionMethods[0]);
return new ModelDataSourceMethod(instance: instance, methodInfo: actionMethods[0]);
}
