XML Literals And Namespaces

Aug 30, 2010

I am using XML Literals and Linq to XML to read/write data to an external system.[code]The client now wants to put the url in a parameter table so the table can change to point to a test server or a real server. I assume that I cannot put a variable in my Imports statement.So how to I access the correct URL from a variable?url...

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.net 3.5 - Recursion With XML Literals?

Jul 28, 2009

I have a class called Profile that has some simple properties and then it can have a collection of ProfileItem that again has some simple properties and then it can have a collection of ProfileItem (RECURSION). Now I am trying to generated a very simple save function using XML Literals that come with VB.NET (3.5).

[Code]....

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IntelliSense In Xml Literals

Sep 2, 2009

is there a way to enable IntelliSense for XML literals in VB9 (VS 2008)?The ideal source of IntelliSense is an XSD document, but I can use anything else format to do it.

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LINQ To SQL To XML (using XML Literals In C#)

Oct 2, 2010

Is it possible to use variables like <%=person.LastName %> in XML string this way?

XElement letters = new XElement("Letters");
XElement xperson = XElement.Parse("<Table><Row><Cell><Text>
<Segment>Dear <%=person.Title%> <%=person.FirstName%> <%=person.LastName%>,

[Code]....

If it's possible, it would be a lifesaver since I can't use XElement and XAttribute to add the nodes manually. We have multiple templates and they frequently change (edit on the fly).

If this is not doable, can you think of another way so that I can use templates for the XML?

[URL]

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VB Character Literals?

Feb 26, 2012

How do I use character literals in VB?I get error for following code:

op as Char
op = '+'

[code].....

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.net - Working With Byte Literals?

Dec 7, 2009

I'm using the following function to brighten up color values (it's a lambda in my code, but that shouldn't make a differende):

Function ReduceDistanceTo255(ByVal i As Byte) As Byte
Return i + (255 - i) 2
End Function

It won't compile, since the compiler interprets 255 and 2 as integers rather than bytes, making the result of type Integer. Unfortunately, there is no Byte type character, so I cannot just write 255B or something like that.There are a few obvious workarounds to the problem:

Function ReduceDistanceTo255(ByVal i As Byte) As Byte
Return i + (CByte(255) - i) CByte(2)
End Function

and

Function ReduceDistanceTo255(ByVal i As Byte) As Byte
Return CByte(i + (255 - i) 2)
End Function

[code]....

The first one is just plain ugly and hard to read, because every literal needs to be CByted. The second one performs calculations in integers and then converts the result to Byte, which is OK, but not as elegant as a pure-Byte operation. The third workaround doesn't require CBytes, but it's drawbacks are obvious.

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Embed XElements Into XML Literals?

Jul 26, 2010

In VB.NET I can easily embed strings into XML literals using <xml><%= "my string" %></xml>. How can I embed an XElement instance? I know I can use methods on the XElement, XNode, etc classes, but I'd like to do it in the XML literals if possible.

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Functions And Nested XML Literals?

Nov 6, 2009

I am constructing some XML using XML literals. I have a function which returns an XElement.

Function RootElementFormattingFunction() as XElement
Return <Root Data="foo"/>
End Function

In reality it is a bit more complicated than that, but it is called from several places. Now I have linq sequence which generates a set of nodes which I want to make children of the XElement returns

[Code]...

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IDE :: Using XML Literals With Abstract Xml Types?

May 3, 2011

I'm trying to use the builtin XML literals feature to create/read xml files using my own schemas, but I don't see a way to cast an abstract XElement from a base type to a more derived type.The schema/xml below shows in general what I'm working with, but using XML literals only allows me to use the base type in the IDE, so the xml below is treated as a collection of elements of the base type, instead one of the base type and one of the derived type.

<schema targetNamespace="Test" xmlns="Test">
<xs:complexType name="Base" abstract="true">
<xs:attribute name="Id" type="xs:int">

[code]....

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Removing Tags In Xml With Literals

Jul 16, 2009

Is there any other way of removing a specific tag other than looping through every tag and checking a certain value? I would assume this could become of timely process if there are many tags.

[Code]...

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Setting Attribute Value In XML Literals?

Jun 5, 2009

As basic as this is, it took me a few minutes to figure out, so wanted to share with the rest of the community to avoid anyone else from wasting their time.

I am attempting to generate the following XML string using VB.NET XML Literals

<Books>
<Book Name="The First Book" />
<Book Name="The Second Book" />
</Books>

[Code]....

But the compiler is complaining about the quotes that are supposed to surround the attribute value. I tried using single quotes, two double quotes, nothing works.

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Using Control Structures In XML Literals?

May 4, 2009

My problem is that I want to include control structures in the embedded XML. Specifically, I want to include or exclude an entire element (not just its contents) based on a boolean expression. The question extends to other control structures as well though.

I'd expect the <% %> syntax to support inling of code but that doesn't seem to function in VB.net's implementation (as opposed to the <%= %> for inlining the result of an evaluated expression, which does).

Here's some very simple code by way of example only.

Public Class Foo
Private bar As String = Nothing
Private baz As String = Nothing

[code]....

I'd much prefer to use the format of getXMLBad() if possible. In this short example it doesn't seem critical, but in much larger examples, the inlining of the logic is more readable and maintainable than the "assembly" style in getXML(). This especially true when the logic is in the middle of large block of static XML and when coding to a very strict or complex schemas.I'd be interested in the capability to extend this to Looping constructs as well.

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XML Literals Format Date?

Mar 23, 2012

Currently am working on a project that requires me to create some XML for use with a graphing plugin. I'm using XML literals and LINQ to SQL as follows

Dim x As XElement = _
<chart caption='Aantal aanvragen' xAxisName='Dag' yAxisName='Aantal'>
<%= From d In dailies Select _

[code].....

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Possible To Make A Node Optional In XML Literals?

Nov 22, 2011

Dim task As XElement = <task>
<body>body</body>
<optional><%= myVar %></optional>

[code].....

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Store Value In Database Field Without Any Literals?

Sep 2, 2009

I have a masked textbox on my form for a phone number. I want to store its value in my Database without the literals as the database field for that phone is only 10 characters long. How do I store this value in the database field without any literals.

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XML Literals And Producing MS Word Documents?

Apr 22, 2009

been working on a large scale project and Iow looking into the document print engine for the application. been a while since Ie built an app that retrieves data from the database and outputs to Word. I generally always used the mail merge feature of Word but after reading the link above this seems far easier.

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Why Don't Dynamic XML Literals Inherit Default Namespace

Feb 5, 2010

I have an XElement that I need to create via dynamic xml literals/embedded expressions and I need it to inherit the default namespace. This doesn't appear possible though through everything I've tried. how to make this work?

For example

Imports <xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
Sub CreateXAML()
Dim obj = "Rectangle"

[Code]....

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XML Namespace And Literals - Property Group Nodes

Apr 28, 2011

I'm experimenting with xml literals in vb.net and there's something I don't get. Here's a small sample that illustrates the problem. I'm adding two PropertyGroup nodes to an empty Visual Studio project. The first one is added as xml literal, the second as new XElement:

Imports <xmlns="[URL]">
Module MyModule
Sub Main()
Dim vbproj = <?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="[URL]">
[Code] .....

This code writes the following output:
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="[URL]">
<PropertyGroup xmlns="[URL]"></PropertyGroup>
<PropertyGroup />
</Project>
As you can see, the first PropertyGroup node contains a redundant xmlns declaration. Why is that, and can it be avoided?

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Insert A Variable Into XML Literals Comment Section And Have It Evaluated?

Mar 26, 2010

How can I get the variable My.Application.Info.Version.ToString to populate in the comments section?[code]..

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XML Literals Parsing - XElement.Parse(variable Containing Text)

Sep 4, 2009

If I have a text stored in db, file, resource does not matter:

<code><%= Integer.MaxValue %></code>

Is there a way to do this: Dim el As XElement = XElement.Parse({variable containing text above}) and to have it evaluate the expression Integer.MaxValue?

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Literal Substitution - Instantiate Form Objects Using Variables As Literals

Oct 23, 2008

What I need to do is create comboboxes populated with values from a CSV for each class object selected from an Active Directory schema.

So lets say twelve classes are selected, the next form will display the class names in a checkedlistbox and will require twelve comboboxes for associating AD classes to CSV fields. Since the number of AD classes selected will always vary, is there a practical way to code it so that the objects can be instantiated from values stored in a variable?

Other languages support macro substitution, where the variable's value is interpreted as a literal at runtime. Developing in Visual Studio 2005, VB version 8 .netFramework 2.0xxx

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Asp.net - Using Namespaces With C#?

Nov 4, 2010

I'm just starting out learning C# this may be really simple but in VB i have these namespaces

<%@ import Namespace="System.Data" %>
<%@ import Namespace="System.Globalization" %>
<%@ import Namespace="System.Data.SqlClient" %>

How do I go about using those namespaces in C#?

I tried

namespace System.Data

and

using System.Data

but they didn't work

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Passing Literals From Vb 2008 To A Dynamic Sql String In Sql Server Stored Procedure?

Jan 28, 2010

In a nutshell, I am selecting values from a checked box column in a grid view. After checking the boxes I have a function that concatenates each customer number into a string called @CusList to use a parameter for a stored procedure Public Function SelectCusList()

Dim CusShow As String
Dim CusStr As String
Dim CusList As String
CusStr = ""

[Code]...

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Difference Between Namespaces In .NET And C#?

Dec 12, 2009

In C#, if you do this, it will compile:

namespace Name
{
public class Test
{

[code]....

I get (depending on the way I try to use "Test") either "'Name' is not a member of '<Default>'." or "Type 'Name.Test' is not defined." in my error list. I've found two ways to make it work, but neither are reasonable to expect of a user. One is to remove the "Root Namespace" from the project properties. The other is to include that namespace between "Global" and "Name".

I have made a custom tool that uses CodeDom to generate code for both C# and VB.NET. This is the reason why neither of the two fixes above are feasible: I can't expect my users to have an empty root namespace, and I'd hate to have to do VB-specific tricks in my code generation (kind of defeats the purpose of using a language-neutral tool, doesn't it?) such as picking out the "Root Namespace" (not that I'd know how off the top of my head) and including it in my code generation.

I don't want to leave out the global modifier either, because it protects the tool from users picking bad names for the generated output. Does anybody have a suggestion for how I should deal with this?

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One Class With Two Different Namespaces?

Jul 13, 2010

Is something like this possible?

Namespace Transaction, Document
Class Signer
Public Sub New()

[Code].....

I basically want to be able to instantiate the Signer class from either Namespace. The reason is that I mistakenly set it up in the Transaction class and need to migrate it over to the Document class without breaking existing legacy code. I'd prefer to not have the same Signer class duplicated in both Namespaces if possible.

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Use Namespaces For The First Time?

Oct 19, 2010

I am building an ASP.Net application and want to use Namespaces for the first time. Within an App_Code folder, I have created three classes called RewriteContext, RewriteModule, and RewriteHandler.

[Code]...

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Compile Error For Namespaces?

Apr 6, 2011

I had weird compile errors. When I opened a project of mine today, suddenly I received over 100 errors. It gives even error for try catch, foreach and all those functions under system and Microsoft.VisualBasic namespace. I have also class libraries and although references are looking added, main project doesnt recognize references as well. I tried clean solution, rebuilt solution, cleared my aspnet tmp folder, re-added references but no help. what could be the problem? anyone experienced such problem. my VS2010 isnt spoiled because any other project works fine,even with same class libraries.

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C# - Get List Of Namespaces Available In Project In ASP.NET?

Feb 8, 2012

I have ASP.NET Application: I have added 5 classes with different Namespacess in App_Code folder..

In Default.aspx.cs file.. I just want to get the list of available Namespaces in App_Code folder:

I tried : AppDomain.CurrentDomain.GetAssemblies();

but i didn't find Namespace that is available in App_Code Folder

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How To Make Namespaces Behave Like C#?

Mar 4, 2010

I am converting projects from C# to Visual Basic, and the namespaces in VB.NET behave in a weird way. There is some kind of hidden default namespace, and it's annoying. I want it to behave identical to C#, which works as expected - things go into the namespaces you create for them.

I've been getting around it usually with say

using MyClassLibrary;in C#, and in VB
Imports MyClassLibrary
Imports MyClassLibrary.MyClassLibrary

but it would be nice to have the functionality the same, and also logical.The other bigger problem is, I have a .tt file, and the C# project generates the code in a different namespace to the VB one.

Is there some solution to make both behave identically with regards to namespaces?

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Namespaces And Shared Functions?

Jul 31, 2009

I am working with VB.Net and am kinda new. I was wondering, if my asp.net project has a lot of shared functions, can I put them all into one Namespace? Do I have to put them into a class?

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