public string CreateLoginjson(string strErrorType, bool blIsAuthenticated)
        {

            StringBuilder sbLoginJson = new StringBuilder();
            if (blIsAuthenticated)
            {
                sbLoginJson.Append("{LoginSuccess:1");
            }
            else
            {
                sbLoginJson.Append("{LoginSuccess:0");
            }

            if (strErrorType != string.Empty)
            {
                if (strErrorType.TrimEnd(new char[] { ',' }) == "Token" || strErrorType.TrimEnd(new char[] { ',' }) == "BlankToken")
                {
                    sbLoginJson.Append(",txtTestTokenNumber1:"Error"");
                    sbLoginJson.Append(",txtTestTokenNumber2:"Error"");
                    sbLoginJson.Append(",txtTestTokenNumber3:"Error"");
                    sbLoginJson.Append(",txtTestTokenNumber4:"Error"");

                }


                if (strErrorType.TrimEnd(new char[] { ',' }) == "Password" || strErrorType.TrimEnd(new char[] { ',' }) == "BlankPassword")
                {
                    sbLoginJson.Append(",txtPassword:"Error"");

                }

                if (strErrorType.TrimEnd(new char[] { ',' }) == "UserName" || strErrorType.TrimEnd(new char[] { ',' }) == "BlankUserName")
                {
                    {
                        sbLoginJson.Append(",UserName:"Error"");

                    }
                    string strLoadErrorControlMessage = LoadErrorControl(strErrorType, string.Empty);

                    if (strLoadErrorControlMessage != string.Empty)
                    {
                        PageTestApplicationLogin objPageTestApplicationLogin = new PageTestApplicationLogin(objClientConfiguration);
                        sbLoginJson.Append(",ErrorMessage:'" + objPageTestApplicationLogin.GetTestApplicationLoginErrorHtml("", strLoadErrorControlMessage).Replace("'", """) + "'");

                    }

                }
                sbLoginJson.Append("}");

                var LoginJson = sbLoginJson.ToString();
                return LoginJson;

            }
        }

else {
    throw new ArgumentException("strErrorType", "strErrorType cannot be empty");
}

if (strErrorType != string.Empty)

StringBuilder sbLoginJson = new StringBuilder();
        if (blIsAuthenticated)
        {
            sbLoginJson.Append("{LoginSuccess:1");
        }
        else
        {
            sbLoginJson.Append("{LoginSuccess:0");
        }

        if (strErrorType != string.Empty)
        {
            if (strErrorType.TrimEnd(new char[] { ',' }) == "Token" || strErrorType.TrimEnd(new char[] { ',' }) == "BlankToken")
            {
                sbLoginJson.Append(",txtTestTokenNumber1:"Error"");
                sbLoginJson.Append(",txtTestTokenNumber2:"Error"");
                sbLoginJson.Append(",txtTestTokenNumber3:"Error"");
                sbLoginJson.Append(",txtTestTokenNumber4:"Error"");

            }


            if (strErrorType.TrimEnd(new char[] { ',' }) == "Password" || strErrorType.TrimEnd(new char[] { ',' }) == "BlankPassword")
            {
                sbLoginJson.Append(",txtPassword:"Error"");

            }

            if (strErrorType.TrimEnd(new char[] { ',' }) == "UserName" || strErrorType.TrimEnd(new char[] { ',' }) == "BlankUserName")
            {
                {
                    sbLoginJson.Append(",UserName:"Error"");

                }
                string strLoadErrorControlMessage = LoadErrorControl(strErrorType, string.Empty);

                if (strLoadErrorControlMessage != string.Empty)
                {
                    PageTestApplicationLogin objPageTestApplicationLogin = new PageTestApplicationLogin(objClientConfiguration);
                    sbLoginJson.Append(",ErrorMessage:'" + objPageTestApplicationLogin.GetTestApplicationLoginErrorHtml("", strLoadErrorControlMessage).Replace("'", """) + "'");

                }

            }
            sbLoginJson.Append("}");

            var LoginJson = sbLoginJson.ToString();
            return LoginJson;

        }

return ""; // need it
        }

public string CreateLoginjson(string strErrorType, bool blIsAuthenticated)
        {

            StringBuilder sbLoginJson = new StringBuilder();
            if (blIsAuthenticated)
            {
                sbLoginJson.Append("{LoginSuccess:1");
            }
            else
            {
                sbLoginJson.Append("{LoginSuccess:0");
            }

            if (strErrorType != string.Empty)
            {
               //All your error code here

            }


            var LoginJson = sbLoginJson.ToString();
            return LoginJson;
        }