Get Password In Client

I send UserName & Password(Login Form) Form Client in the proxy to the server by this coding

myProxy.ClientCredentials.UserName="UserName";
myProxy.ClientCredentials.Pasword="Password";

In addition Our ClientCredentialType Must be MessageCredentialType.UserName.

in the server I need UserName & Password For Impersonate User to Make Log in the SQLSERVER with the same User that send Request to Server. So For this I need to get Sending开发者_如何学运维 Password in the Server And I don't Know How Must I do it? for get UserName I Use this Code ServiceSecurityContex.Current.PrimeryIdentity.Name

The password authenticates the user to the proxy; the proxy won't pass this information on. You'd need to explicitly pass the password to the service via the proxy to have this information available.