Call Webservices and Send Parameters in C#

ADCTS.WebService.Login ObjAlter = new WebService.Login();
result = ObjAlter.AlterDetails(model.SecurityOriginator, model.SecurityAuthenticator, model.SecurityKey, model.function, model.UserID, model.DigitalSignatureID);
//web servicess==========

[WebMethod]
public int AlterDetails(string SecurityOriginator, string SecurityAuthenticator, string SecurityKey, string
    function, string UserID, string DigitalSignatureID) {
    result = 0;
    DGmodel.SecurityOriginator = SecurityOriginator;
    DGmodel.SecurityAuthenticator = SecurityAuthenticator;
    DGmodel.SecurityKey = SecurityKey;
    DGmodel.function = function;
    DGmodel.UserID = UserID;
    DGmodel.DigitalSignatureID = DigitalSignatureID;
    result = DGcontroller.AlterDetails(DGmodel);
    return result;
}