when consuming web services in .net hosted over IIS, getting error "Request format is unrecognized for URL ....."

Server Error in '/' Application.

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Request format is unrecognized for URL unexpectedly ending in '/JsonCityList'.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.InvalidOperationException: Request format is unrecognized for URL unexpectedly ending in '/JsonCityList'.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[InvalidOperationException: Request format is unrecognized for URL unexpectedly ending in '/JsonCityList'.] System.Web.Services.Protocols.WebServiceHandlerFactory.CoreGetHandler (Type type, HttpContext context, HttpRequest request, HttpResponse response)+713315 System.Web.Services.Protocols.WebServiceHandlerFactory.GetHandler (HttpContext context, String verb, String url, String filePath) +308 System.Web.Script.Services.ScriptHandlerFactory.GetHandler (HttpContext context, String requestType, String url, String pathTranslated) +89 System.Web.MaterializeHandlerExecutionStep.System.Web.HttpApplication .IExecutionStep.Execute() +516 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +288

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Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.18408



Fixing this issue need to add the following in web.config file.

<configuration>
    <system.web>
    <webServices>
        <protocols>
            <add name="HttpGet"/>
            <add name="HttpPost"/>
        </protocols>
    </webServices>
    </system.web>
</configuration>