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POHow to Invoke a WCF Service Dynamically using C# Winforms?
 

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  1. POHow to Invoke a WCF Service Dynamically using C# Winforms?
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    <p>I have a WCF Service and i want to invoke this at run time ...</p> <p>if i do the same code and instead of WCF(.svc) if i call (.asmx) i can able to get through and getting results... but here WCF gets failed</p> <pre><code> private void button1_Click(object sender, EventArgs e) { string WebserviceUrl = "http://localhost:90/service1/service1.svc"; string serviceName = Service1; string methodName = GetData; string[] arArguments = new string[2]; arArguments[0] = 2 ; string sData =CallWebService(WebserviceUrl, serviceName, methodName, arArguments); if (!string.IsNullOrEmpty(sData)) MessageBox.Show(sData + "\tData Available"); else MessageBox.Show(sData + "\tData not Available"); } [SecurityPermissionAttribute(SecurityAction.Demand, Unrestricted = true)] private string CallWebService(string WebserviceUrl, string serviceName, string methodName, string[] arArguments) { System.Net.WebClient client = new System.Net.WebClient(); System.IO.Stream stream = client.OpenRead(WebserviceUrl + "?wsdl"); ServiceDescription description = ServiceDescription.Read(stream); ServiceDescriptionImporter importer = new ServiceDescriptionImporter(); importer.ProtocolName = "Soap12"; importer.AddServiceDescription(description, null, null); importer.Style = ServiceDescriptionImportStyle.Client; importer.CodeGenerationOptions = System.Xml.Serialization.CodeGenerationOptions.GenerateProperties; CodeNamespace nmspace = new CodeNamespace(); CodeCompileUnit unit1 = new CodeCompileUnit(); unit1.Namespaces.Add(nmspace); ServiceDescriptionImportWarnings warning = importer.Import(nmspace, unit1); if (warning == 0) // If Successfull { CodeDomProvider provider1 = CodeDomProvider.CreateProvider("CSharp"); string[] assemblyReferences = new string[5] { "System.dll", "System.Web.Services.dll", "System.Web.dll", "System.Xml.dll", "System.Data.dll" }; CompilerParameters parms = new CompilerParameters(assemblyReferences); CompilerResults results = provider1.CompileAssemblyFromDom(parms, unit1); if (results.Errors.Count &gt; 0) // Error Part { foreach (CompilerError oops in results.Errors) { System.Diagnostics.Debug.WriteLine("========Compiler error============"); System.Diagnostics.Debug.WriteLine(oops.ErrorText); } throw new System.Exception("Compile Error Occured calling webservice. Check Debug ouput window."); } object wsvcClass = results.CompiledAssembly.CreateInstance(serviceName); MethodInfo mi = wsvcClass.GetType().GetMethod(methodName); return mi.Name; } else { return null; } } </code></pre> <p>how to achieve this .....</p>
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    1. PTQuestion
    1. This table or related slice is empty.
    1. USAravind
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    1. This table or related slice is empty.
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    1. COWhat is the error you are getting
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      1. POHow to Invoke a WCF Service Dynamically using C# Winforms?
      1. USBlackICE
    2. COif (warning == 0) here warning comes as NoCodeGenerated ,... !!! but in case of .Asmx service it works fine ..!!!!
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      1. POHow to Invoke a WCF Service Dynamically using C# Winforms?
      1. USAravind
    3. COWhat you are doing is ok for .asmx services but not for WCF services. Like ServiceDescriptionImporter works for .asmx (legacy web services). ServiceContractGenerator works with WCF services (.svc). Similarly, the ServiceDescription Class use have used in part of System.Web.Services dll. While, for WCF services, this class is defined in System.ServiceModel dll.
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      1. POHow to Invoke a WCF Service Dynamically using C# Winforms?
      1. USvibhu
 

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