{"id":3716,"date":"2014-03-29T08:26:47","date_gmt":"2014-03-29T08:26:47","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2014\/03\/29\/problem-about-activator-collection-of-common-programming-errors\/"},"modified":"2014-03-29T08:26:47","modified_gmt":"2014-03-29T08:26:47","slug":"problem-about-activator-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2014\/03\/29\/problem-about-activator-collection-of-common-programming-errors\/","title":{"rendered":"problem about activator-Collection of common programming errors"},"content":{"rendered":"<ul>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/eec2e174897771bff4bf95039074b57e?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nMark<br \/>\nsql-server external service-broker activator<br \/>\nI am running SQL Server 2005 Standard Edition with External Activator installed. I have the following code in an SSMS tab:&#8211; Begin a conversation and send a request message DECLARE @InitDlgHandle UNIQUEIDENTIFIER; DECLARE @RequestMsg NVARCHAR(100);BEGIN TRANSACTION;BEGIN DIALOG @InitDlgHandleFROM SERVICE [\/\/abc\/XYZ\/InitiatorPostService]TO SERVICE N&#8217;\/\/abc\/XYZ\/TargetPostService&#8217;ON CONTRACT [\/\/abc\/XYZ\/PostContract]WITH ENCRYPTION = OFF;SELECT @RequestMsg = N'&lt;RequestMsg&gt;Message for Target ser<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/9a44d66641024c3a66c088cdc57453a2?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nCSharpNoob<br \/>\nc# factory-pattern activator<br \/>\nI am designing a loosely-coupled structure. I want to call classes from different assemblies\/namespaces via a code which is represented by a String. My design is, each of client&#8217;s business rules is on different assemblies and not dependent on each other (ONE client is to ONE DLL ratio) so that when I made an update on business rules of 1 client, it would not affect the others. My attention now is on using Factory Design and using Activator.CreateInstance() Method.This is the project setup (2+n D<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/1a3521db0840c883d6ecb38d6d82ab08?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nNoah<br \/>\nc# asp.net strongly-typed-dataset activator createinstance<br \/>\nI am trying to create an instance of a typed dataset dynamically in my code at runtime. I have the type available to me, but when I try to do this:object obj = Activator.CreateInstance(Type.GetType(&#8220;TYPED DATASET TYPE HERE&#8221;));The problem is the type doesn&#8217;t seem to be valid according to the code when I try and run it. What could I be doing wrong here?<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/0f7dfd341349b921b667cbca878a105a?s=32&amp;d=identicon&amp;r=PG&amp;f=1\" \/><br \/>\nLeakyCode<br \/>\nc# .net types activator createinstance<br \/>\nI am using (a slightly extended version of) the following code in a factory-pattern style function:public class SingleItemNew : CheckoutContext{public BookingContext Data { get; set; }public SingleItemNew(BookingContext data){Data = data;}} public CheckoutContext findContext(BookingContext data) { Type contextType = Type.GetType(&#8220;CheckoutProcesses.&#8221; + data.Case.ToString());CheckoutContext output =Activator.CreateInstance(contextType, BindingFlags.CreateInstance, new[] { data }) as CheckoutContex<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/25b02331ea03bb3408ed04bfa4a885af?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nTim<br \/>\nc# variable-scope foreach activator<br \/>\nI have a foreach loop that cycles through a list of types and creates an instance of each one. However, when I build, it gives a CS0246 error (&#8220;The type or namespace could not be found &#8230; &#8220;). Here&#8217;s a simplified version of the code:internal static class TypeManager {internal static void LoadTypes(){\/\/ Fill the list with types\/\/ Create instances of each typeforeach (Type currType in Types){Type aType = currType; \/\/ comiles fineObject newObj = (currType)Activator.CreateInstance&lt;currType&gt;;<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/af2f6895fadc517e172fa46c8e0a42d4?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nsteavy<br \/>\nc# reflection activator<br \/>\nAssume we have some classesclass Class1{ } class Class2{ } class Class3{ }and I have a Type variableType t = \/*some type unknown at compile-time*\/;variable t is Class1 or Class2 or Class3. I want to create an instance of that class. As I know I can use the following statement:object instance = Activator.CreateInstance(t);But I receive an object. And the question is: how do I cast this object to type that is in variable t. Or maby someone can suggest a workaround. Thanks<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/d0cbeeade0adb6589f11aa2e272a87c9?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nSean Mill<br \/>\nc# .net generics activator<br \/>\nare the two methods in the class &#8220;Confused&#8221; below the same?class MyClass {public override string ToString(){return &#8220;I am confused now&#8221;;} }class Confused { public MyClass GetMyClass(){return new MyClass();}public T GetMyClass&lt;T&gt;() where T : MyClass, new(){return System.Activator.CreateInstance&lt;T&gt;();} }class Program {static void Main(){Confused c = new Confused();System.Console.WriteLine(c.GetMyClass());System.Console.WriteLine(c.GetMyClass&lt;MyClass&gt;());} }They produce differen<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/e6da291c203acf86c1606ec87a833f9f?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nAlbin Sunnanbo<br \/>\nc# activator createinstance<br \/>\non initialize a class by string variable in c#? I already found out how to create an class using a stringso what i already have is :Type type = Type.GetType(&#8220;project.start&#8221;); var class = Activator.CreateInstance(type);what i want to do is call a function on this class for example:class.foo();is this possible? and if it is how?<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/d54c8178b93b7fccf9055f0a6db9954a?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nHcabnettek<br \/>\nc# resources resx activator system.type<br \/>\nI&#8217;m trying to use browser specific resx files in some automation tests. I&#8217;m stuck at the point where I wish to instansiate the type. Can anyone point me in the right direction? I have tried activator.createInstance etc&#8230; with no luck.public class WebAiiBaseTest : BaseTest {private readonly IDictionary&lt;BrowserType, Type&gt; resxMapper = new Dictionary&lt;BrowserType, Type&gt;{{BrowserType.Chrome, typeof(Chrome)}, {BrowserType.Safari, typeof(Safari)}, {BrowserType.FireFox, typeof(Firefox)},<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/452b3d2cbac7f74cf2f77475d8e16770?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nalpha<br \/>\nc# generics runtime activator<br \/>\nIn the following example i can create an object dynamically via a string; however, i have no way to get at the public methods of BASE class. i can&#8217;t cast obj to a BASE because i don&#8217;t know what generic will be used at design time. any suggestings on doing so at runtime would be nice. Project A contains Class A{T,J&gt; : BASE{T,J&gt; Project B contains Class B{T,J&gt; : BASE{T,J&gt;Project C contains Class BASE{T,J&gt;public virtual control{T,J&gt; itemProject Windows Form cmdGo_Click eventstring dll = textbox1<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/e2e71b31e4dbba761c4171cac8bf6bf9?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nBilias7<br \/>\nc# winforms combobox activator<br \/>\ni need to instantiate forms using activator because i need to iterate all form&#8217;s controls to set a property. For this procedure i&#8217;m using the code below.using (Form frm = (Form)Activator.CreateInstance(type)){using (SqlConnection cn = new SqlConnection(Program.connectionString)){cn.Open();General.ProcessControls(cn, frm, frm.GetType().Name);cn.Close();}}All good till here. The code above runs like a charm for all forms except one in which i have a combobox with autocomplete mode setted in Sugges<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/d2d43bd4183d47188a5176eac995bd1b?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nMike Guthrie<br \/>\n.net wcf activator<br \/>\nI am getting this error when trying to call self hosted wcf serviceException:System.Runtime.Remoting.ServerException was unhandled by user codeMessage=The message with Action&#8217;http:\/\/schemas.microsoft.com\/clr\/nsassem\/QuexstERP.BusinessCore.Interfaces.IOperationService\/QuexstERP.BusinessCore.Interfaces#GetAll&#8217;cannot be processed at the receiver, due to a ContractFilter mismatchat the EndpointDispatcher. This may be because of either a contractmismatch (mismatched Actions between sender and receive<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/w1rbQ.png?s=32&amp;g=1\" \/><br \/>\nDanahi<br \/>\nc# class types activator<br \/>\nthis question is an addition to this previously asked question.My child classes which should be initialised and the base class which will be the list typeabstract public class baseClass {public baseClass(){} }public class child1 : baseClass {public child1() : base{} }public class child2 : baseClass {public child2() : base{} }My enum and manager classpublic enum ClassType {child1,child2 }public class Manager {private List&lt;baseClass&gt; _children;public void Initialise(ClassType type){var temp<\/li>\n<\/ul>\n<p>Web site is in building<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mark sql-server external service-broker activator I am running SQL Server 2005 Standard Edition with External Activator installed. I have the following code in an SSMS tab:&#8211; Begin a conversation and send a request message DECLARE @InitDlgHandle UNIQUEIDENTIFIER; DECLARE @RequestMsg NVARCHAR(100);BEGIN TRANSACTION;BEGIN DIALOG @InitDlgHandleFROM SERVICE [\/\/abc\/XYZ\/InitiatorPostService]TO SERVICE N&#8217;\/\/abc\/XYZ\/TargetPostService&#8217;ON CONTRACT [\/\/abc\/XYZ\/PostContract]WITH ENCRYPTION = OFF;SELECT @RequestMsg = N'&lt;RequestMsg&gt;Message [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3716","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/3716","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=3716"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/3716\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=3716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=3716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=3716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}