vb.net

GetCustomAttributes

<AttributeUsage(AttributeTargets.Property)> _ Private Class CustomAttrib Inherits Attribute Public Property DataTypeLength As Integer End Class Private Class TestClass <CustomAttrib(DataTypeLength:=75)> _ Public Property MyProp As String End Class Dim properties = GetType(TestClass).GetFields(Reflection.BindingFla...

CKEditor to Send Emails with ASP.NET [vb] - Issues with Special Characters

I have a standard HTML page with an CKEditor on it wrapped in a form. The form submits (POSTS) to Send_Emails.aspx Send_Emails.aspx reads the content of the FCKEditor into a variable Dim html As String = Request.Form("ck_content") Then it sends an email. Problem Characters such as: Â -> this seems to show as a special character fo...

Large data in a cell of DataGridView

Hi everyone, i want to display a large data in a cell of DataGridView as multiplelines to avoid the horizontalscroll. ...

String concatenation: using += vs. &=

Possible Duplicate: The difference between + and & for joining strings in VB.Net In VB.NET you can use either += or &= to concatenante a string (ignoring using a StringBuilder for this question -- this is directed at a very simple concatenation). I'm curious to know if and what the differences are of using one or the other i...

Consume a SOAP web service without relying on the app.config

I'm building a .NET component that will call an external web service. I used the "Add Service Reference" dialog to add the web service to my component, which generates the code needed to consume the service and adds the settings to the app.config file. I'm testing the component by adding a reference to its DLL from a Console applicatio...

Populating a TreeView from a TreeView Instance

I have a class, let's call MyClass. In this class, I have a TreeView property let's call myTreeView In my code, I populate the Nodes of this TreeView so I can use it later on. Then, when it's time to actualy use it, I haven't been able to take all the nodes from myClass and put them in a Tree View Control on my form. I've tried two thi...

Can't access ExtJS radio button on form

So I have an .aspx page. In this grid I'm adding a bunch of controls. The first control however is an ExtObject, not one of our preset VB.NET controls. When I go to access the value on the backend for this field with this code: form.AndOr.getValue() It doesn't work. I really have no idea what is wrong. Basically, the radio button valu...

jQuery/JSTree/ASP.net: How to get Newly Created Node's ID from Server

I currently have a JSTree all set up to do the creation and renaming of a new node: .bind("create_node.jstree", function (NODE, REF_NODE) { $.ajax({ async: false, cache: false, type: 'POST', url: "ApplicationAJAXHandler.aspx?action=CreateMenuItem&...

Subclass/Superclass - If a subclass is cast as its superclass, is there a way to use the overloaded properties of the subclass?

Sorry if the title isn't very clear. This is a VB.NET (2010) question I have a superclass called "Device" which has a number of subclasses that inherit it. Some of those subclasses also have subclasses. In particular, I have a class called "TwinCatIntegerDevice" which inherits "TwinCatDevice" which inherits "Device." The relevant pa...

Complex Linq Query--Trying to add a .Where() or .Any() predicate to reduce query complexity (in VB)

I'm having issues with a rather complex Linq query and I need some advice. This involves VB syntax so I need specific answers for that platform, as I have a lot of trouble translating the C# syntax to VB at times. I have to join two main tables, and I need to filter the results by elements in an ASP.NET web form. These filters are c...

How can I set the value property of a custom class that is a child of a collection...?

I have made a DataTree class that has Name, Value, and Items properties. It is designed to function like PHP's associative multi-dimensional arrays. Everything works except setting the Item property. The item property excepts one or more parameters. Each represents the name property of a DataTree instance. This would be easy to do if I c...

Check if line in richtextbox contains numbers.

I have a list of strings in my richtextbox. I need a code to check if there are numbers in the first line, if there is then proceed with the rest of my code, else delete first line. ...

Avoiding multiple IF statements

Suggestion in C# or VB.NET are welcome I have the following code block. I'm tired of typing the same IF statement to check if the string has any lenght before assignning them to the class properties of Employee. Is there any better to accomplish this? Dim title = txtTitle.Text.Trim Dim firstName = txtFirstName.Text...

Begin Tran in VB.NET

Dear All, I have created a windows form in VB.NET and in the click event of "Save", i am calling 5 procedures to perform different tasks. All these are in a a single TRY - CATCH block. The problem which i am facing is that from the 5 procedures being called, if there is an error while executing the 4th procedure, the data stored from ...

Embed all References (DLLs) into Executable file

Hi Everyone, I'm creating a windows desktop application using .NET Framework (Visual Studio '08). As you know, when we build our application all references which we used in our application their dll copied into the Debug/Release folder with an executable file of application. Is it possible when you build only a single executable file pr...

Why is the modifier set to Friend in Winforms?

When adding a new control to the designer in Winforms, the modifier on the control is set to Friend, but the default modifier is Private (right clicking the property and resetting the modifier). Does anyone know why? Is there a setting to set the modifier to default (Private)? ...

simple way to read settings of an app.exe.config file from a linked dll

Is there a simple way to read from the global application.exe.config file from a dll? Currently I am loading the file as an XmlDocument but I wonder if there is a better solution. That's what I mean: If I create a new WinForms Project I have a Settings Tab in the Project properties where I can add some simple values (And I want to acc...

If Exists Update Else Insert with VB.net (sql parameterised query)

I'm hoping to use the following update\insert method to speed up my application insert\updates: UPDATE [Application_Type_Table] SET ApplicationType='Test Value' WHERE ID='1' IF @@ROWCOUNT=0 INSERT INTO [Application_Type_Table] VALUES ('Test Value') How would I do this with sql parameters? the rowcount function will be picked up as a ...

Is retrofitting Entity Framework into my app appropriate for my situation?

So, I have an app that uses a SQL Server express db. I have about 80ish tables all with a primary key but no foreign keys. (The reason we have no foreign keys is because of how we do our sql client-to-server replication. It's not true replication but it's a sync system that was in place when we took over the app. We have no guarantee wha...

How to write this regular expression in VB.net?

My coworker needs me to write him a regular expression for his vb.net app. I do not know vb and he does not know regex. The regex he needs is: /.*web id: ?(\d+).*/i Basically he needs to search a string for something like "web id: 345" or "web id:2534" and retrieve the ID. He took what I gave him above and was able to put this toge...