I'm trying to do an HTML Extension to render my telerik grid with the common settings
If I declare this code into a view everything its fine.
#imports Telerik.Web.Mvc
#imports Telerik.Web.Mvc.UI
#Code
Dim gridBuilder As Telerik.Web.Mvc.UI.Fluent.GridBuilder(Of TModel) =
Html.Telerik().Grid(Of TModel)().Name("myList")
#End Code
But I move it into a class library project to implement an HTML extension
Imports System.Web.Mvc
Imports Telerik.Web.Mvc
Imports Telerik.Web.Mvc.UI
Namespace Helpers
Module HelperList
<System.Runtime.CompilerServices.Extension()> _
Public Sub myTelerikList(Of TModel As Class)(helper As HtmlHelper)
Dim gridBuilder As Telerik.Web.Mvc.UI.Fluent.GridBuilder(Of TModel) = Html.Telerik().Grid(Of TModel)().Name("myList")
…
…
End Sub
I'm having an error like that
'Html' is ambiguous, imported from the
namespaces or types
'Telerik.Web.Mvc.UI, System.Web.Mvc'.
Try using the helper instance which you are extending:
<System.Runtime.CompilerServices.Extension()> _
Public Sub myTelerikList(Of TModel As Class)(helper As HtmlHelper)
Dim gridBuilder As Telerik.Web.Mvc.UI.Fluent.GridBuilder(Of TModel) = helper.Telerik().Grid(Of TModel)().Name("myList")
...
End Sub
Since your HtmlHelper instance is named helper, you need to write helper.Telerik().
Related
How can I get #Url.Content() working in my _Layout.cshtml when RazorEngine is being used from ASP.NET Web API?
RazorEngine (v.3.7.2) only deals with the Razor syntax and not the additional helper methods like #Html or #Url. These can be added by extending the TemplateBase<> and setting it in the configuration.
There are code examples in some old issues: #26, #29; in an unreleased, incomplete piece of code in MvcTemplateBase.cs; and in the documentation for Extending the Template Syntax.
My problem is I'm using ASP.NET Web API (v.1) which won't have HttpContext.Current (nor should it). I want to provide a UrlHelper as I want to use its Content() method but it needs to be instantiated with the HttpRequestMessage which won't be available.
Perhaps there's no way to get #Url helper methods for my compiled layout. Perhaps I need some other way of getting the absolute path from the virtual path. It seems I'd still need some way of checking the Request though.
A way to get this working is to follow the direction set by Extending the Template Syntax and use VirtualPathUtility.ToAbsolute() in a helper method.
using System.Web;
using RazorEngine.Templating;
namespace MyNamespace.Web
{
public abstract class WebApiTemplateBase<T> : TemplateBase<T>
{
protected WebApiTemplateBase()
{
Url = new UrlHelper();
}
public UrlHelper Url;
}
public class UrlHelper
{
public string Content(string content)
{
return VirtualPathUtility.ToAbsolute(content);
}
}
}
Set up the TemplateService configuration with this extension of the TemplateBase<>.
var config =
new RazorEngine.Configuration.TemplateServiceConfiguration
{
TemplateManager = new TemplateManager(),
BaseTemplateType = typeof(WebApiTemplateBase<>)
};
I have a simple outlook ribbon with an editBox. Once the user clicks the send button, I capture the string in the editBox and use it in the Application_ItemSend..
My problem is, after the function is done, I want to RESET the UI of the ribbon (just the editBox) so that the user won't have the previously typed string in the same box when opening up a new message screen. I tried the Ribbon.Invalidate but I can't seem to get rid of that string value. When I re-open the "New Email" screen, the old value is still there.
Here is the code:
<customUI xmlns="http://schemas.microsoft.com/office/2009/07/customui" onLoad="Ribbon_Load_2010">
<ribbon>
<tabs>
<tab idMso="TabNewMailMessage">
<group id="TaskManager" insertBeforeMso="GroupSend" label="Task Manager">
<editBox id="editboxTaskID" label="Task ID #: " onChange="editboxTaskID_OnChange"
imageMso="RecordsAddFromOutlook" sizeString="wwwwww"/>
</group>
</tab>
</tabs>
</ribbon>
</customUI>
And the VB Code:
<Runtime.InteropServices.ComVisible(True)> _
Public Class CustomRibbon
Implements Office.IRibbonExtensibility
Private ribbon As Office.IRibbonUI
Public strTask_ID As String = ""
Public Sub New()
End Sub
Public Function GetCustomUI(ByVal ribbonID As String) As String Implements Office.IRibbonExtensibility.GetCustomUI
Return GetResourceText("Addin.Ribbon.xml")
End Function
Private Sub Application_ItemSend(ByVal Item As Object, ByRef Cancel As Boolean)
Me.ribbon.Invalidate()
Try
'SOME CODE HERE WHICH WORKS FINE!
Catch ex As Exception
End Try
End Sub
'Create callback methods here. For more information about adding callback methods, select the Ribbon XML item in Solution Explorer and then press F1.
Public Sub Ribbon_Load_2010(ByVal ribbonUI As Office.IRibbonUI)
Me.ribbon = ribbonUI
AddHandler Globals.ThisAddIn.Application.ItemSend, AddressOf Application_ItemSend
End Sub
Public Sub editboxTaskID_OnChange(ByVal control As Office.IRibbonControl, ByVal Text As String)
strTask_ID = Text
End Sub
Public Sub AttachmentRibonClick(ByVal control As Microsoft.Office.Core.IRibbonControl)
Globals.ThisAddIn.TriggerTaskWindow("Attachment")
End Sub
Private Shared Function GetResourceText(ByVal resourceName As String) As String
Dim asm As Reflection.Assembly = Reflection.Assembly.GetExecutingAssembly()
Dim resourceNames() As String = asm.GetManifestResourceNames()
For i As Integer = 0 To resourceNames.Length - 1
If String.Compare(resourceName, resourceNames(i), StringComparison.OrdinalIgnoreCase) = 0 Then
Using resourceReader As IO.StreamReader = New IO.StreamReader(asm.GetManifestResourceStream(resourceNames(i)))
If resourceReader IsNot Nothing Then
Return resourceReader.ReadToEnd()
End If
End Using
End If
Next
Return Nothing
End Function
End Class
The invalidate method is used to signal that a control has been updated and needs to be re-rendered on the screen. It will not clear data from a control. What you need to do is set the property on the control (the edit box in this case) that stores the offending string value to an empty string.
Ok, I figured it out.
Apparently after you invalidate the controls, you need to use GetText function of the Editbox to init the value.
Public Function editboxTaskID_GetText(ByVal control As Office.IRibbonControl) As String
Return ""
End Function
I also noticed other sites use different signature for the function - which does not work. I believe Microsoft changed this from a Sub to a Function when moving to 2010 Interop.
I wish Microsoft had better documentation for this.
Happy programming!
I'm seeing some weird behaviour debugging my C# code - I cant post my exact code but essentially I have a partial abstract base class that defines an Execute method:
public abstract partial class MyBase
{
public abstract void Execute();
protect static object SomeMethod()
{
object aaa = OtherClass.GetObject();
// etc...
}
}
I then have another partial class which implements this method, and calls some static methods on the base class:
partial abstract class MyParent : MyBase
{
public void Execute()
{
object myobj = SomeMethod();
// etc...
}
}
Both of these partial classes have are extensions of partial classes generated using xsd.exe from a schema.
What I'm seeing is that if I attempt to step-into my implementation of Execute(), the Visual Stuido debugger jumps through these methods - for example in this case it would step straight through to the OtherClass.GetObject() method. The call stack still shows all the frames inbetween Execute() and OtherClass.GetObject(), and even lets me set them to be the active frame, however I can't do a line-by-line step through the code unless I place a breakpoint on each and every line.
Why is this?
How can I fix it so I can debug normally again!?
xsd.exe typically decorates generated classes with the DebuggerStepThrough attribute, which means the debugger will .. well, you get the picture.
I've dealt with this in the past with a simple .vbs script that I call after invoking xsd.exe (typically as part of a pre-build step):
Const ForReading = 1
Const ForWriting = 2
Set objFSO = CreateObject("Scripting.FileSystemObject")
Set objFile = objFSO.OpenTextFile(WScript.Arguments(0), ForReading)
strText = objFile.ReadAll
objFile.Close
strNewText = Replace(strText,
"[System.Diagnostics.DebuggerStepThroughAttribute()]", "")
Set objFile = objFSO.OpenTextFile(WScript.Arguments(0), ForWriting)
objFile.WriteLine strNewText
objFile.Close
You call it with the name of the generated file as a parameter, as in:
wscript.exe remove_attribute.vbs XsdGeneratedClasses.cs
Also, make sure the Just My Code checkbox is unchechedk, just in case.
I can't figure this out as I go through demos that seem to work. I have a WCF service I was trying to use Linq to SQL with. However, all I ever get is the error System.Data.Linq.Table cannot be serialized. So I started with my own class thinking I could build it back up until get the error. Problem is I get the error even trying to use an empty class. Just using the "As System.Linq.Table(Of xxx)" on my method gives me this error.
Type 'System.Data.Linq.Table`1[LinqADMRequest2b]' cannot be serialized. Consider marking it with the DataContractAttribute attribute, and marking all of its members you want serialized with the DataMemberAttribute attribute. See the Microsoft .NET Framework documentation for other supported types.
Imports System.ServiceModel
Imports System.ServiceModel.Activation
Imports System.Runtime.Serialization
Imports System.Collections.Generic
Imports Linq
<ServiceContract(Namespace:="")> _
<ServiceBehavior(IncludeExceptionDetailInFaults:=True)> _
<AspNetCompatibilityRequirements(RequirementsMode:=AspNetCompatibilityRequirementsMode.Allowed)> _
Public Class ComplyTrackWCFService
_
Public Function GetTestRequests() As System.Data.Linq.Table(Of LinqADMRequest2b)
'Dim ct As New Linq2.ComplyTrackDataContext()
'Dim queryresults = ct.ADMRequests 'ct.ADMRequestGetListByUser("", "155")
'Return queryresults
End Function
End Class
<DataContract()> _
<Serializable()> _
Public Class LinqADMRequest2b
Implements ISerializable
Private _firstName As String
_
Public Property FirstName() As String
Get
Return _firstName
End Get
Set(ByVal Value As String)
_firstName = Value
End Set
End Property
Public Sub GetObjectData(ByVal info As System.Runtime.Serialization.SerializationInfo, ByVal context As System.Runtime.Serialization.StreamingContext) Implements System.Runtime.Serialization.ISerializable.GetObjectData
End Sub
End Class
As you can see the GetTestRequests() doesn't do anything other then say it's going to return a System.Data.Linq.Table(Of LinqADMRequest2b)
I can't get the LinqADMRequest2b to serialize.
Type 'System.Data.Linq.Table`1[LinqADMRequest2b]' cannot be serialized. Consider marking it with the DataContractAttribute attribute, and marking all of its members you want serialized with the DataMemberAttribute attribute. See the Microsoft .NET Framework documentation for other supported types.
Don't return Table<T> from your service. It's a complex queryable type that depends on its DataContext and isn't an in-memory collection.
Do return List<T>, you can convert the Table<T> to a List<T> by calling System.Linq.Enumerable.ToList().
Try putting
<DataMember> attribute on your properties of you own class.
Also, it's better to create lightweight DataContract object to pass down the line rather than big bulky dude like the linq table.
In MATLAB 2008a, is there a way to allow a class method to act as a uicontrol callback function without having to make the method public? Conceptually, the method should not be public because it should never be called by a user of the class. It should only be called as a result of a UI event triggering a callback. However, if I set the method's access to private or protected, the callback doesn't work. My class is derived from hgsetget and is defined using the 2008a classdef syntax.
The uicontrol code looks something like:
methods (Access = public)
function this = MyClass(args)
this.someClassProperty = uicontrol(property1, value1, ... , 'Callback', ...
{#(src, event)myCallbackMethod(this, src, event)});
% the rest of the class constructor code
end
end
The callback code looks like:
methods (Access = private) % This doesn't work because it's private
% It works just fine if I make it public instead, but that's wrong conceptually.
function myCallbackMethod(this, src, event)
% do something
end
end
Storing the function handle of the callback as a private property seems to workaround the problem. Try this:
classdef MyClass
properties
handle;
end
properties (Access=private)
callback;
end
methods
function this = MyClass(args)
this.callback = #myCallbackMethod;
this.handle = uicontrol('Callback', ...
{#(src, event)myCallbackMethod(this, src, event)});
end
end
methods (Access = private)
function myCallbackMethod(this, src, event)
disp('Hello world!');
end
end
end