DBUtility.SQLDbHelper”的类型初始值设定项引发异常。”

Question

System.TypeInitializationException:““DBUtility.SQLDbHelper”的类型初始值设定项引发异常。”

public bool chkAdminLoign(string UserName, string UserPwd)
        {
            string strSql = "select count(*) from Administrator where UserName=@UserName and UserPwd=@UserPwd and IsLook=0";
            SqlParameter[] parameters = {
                new SqlParameter("@UserName",System.Data.SqlDbType.NVarChar,50),
                new SqlParameter("@UserPwd", System.Data.SqlDbType.NVarChar,50)};
            parameters[0].Value = UserName;
            parameters[1].Value = UserPwd;
            return SQLDbHelper.Exists(strSql, parameters);
        }

求大神指点！！！！

Answer 1

看一下exist里的方法是怎么样的