响应消息的WCF charset=utf-8不匹配绑定的内容类型(应用程序/soap+xml;charset = utf - 8)

I'm hosting a WCF service in IIS 7.5 using .NET 4.0. I also have a WPF application that I am using as my client that was built with Visual Studio 2010 and .NET 4.0. I added my service reference and when I attempt to call a function, I get the following exceptionI'm hosting a WCF service in IIS 7.5 using .NET