????1.驗證用戶登錄；
??? public static bool ValidateUser(string UserName,string UserPwd)
??? {
??????? bool Flage = false;
??????? string procname = "dbo.ValidateUse";
??????? SqlParameter[] prams =
????? ?{
????????????????new SqlParameter("@UserName",SqlDbType.VarChar,50),
??????????????? new SqlParameter("@UserPwd",SqlDbType.VarChar,100)
?????? };
??????? prams[0].Value = UserName;
??????? prams[1].Value = UserPwd;
??????? int intResult = DataBase.RunExecuteScalar(procname, prams);
??????? if (intResult > 0)
??????? {
??????????? Flage = true;
??????? }
??????? return Flage;
??? ?}???
?????? ?//使用到的存儲過程；
??????? /*ALTER PROCEDURE dbo.ValidateUse ?
???????? (
???????? @UserName varchar(50),
???????? @UserPwd varchar(100)
???????? )?
??????????? AS
???????? select count(*) from Users where UserName=@UserName and UserPwd=@UserPwd
???????? RETURN
???????? */
??????//數據訪問類的執行函數

????? public static int RunExecuteScalar(string procName, SqlParameter[] prams)
??? ? {
??????? SqlConnection Conn = ReturnConn();
??????? SqlCommand Cmd = CreateCmd(procName, prams, Conn);
??????? int intResult =Convert.ToInt32(Cmd.ExecuteScalar());
??????? Conn.Close();
??????? return intResult;
?? ?? }

2.注冊用戶時，檢驗用戶是否存在；
??? public static bool IsValidateUserName(string UserName)
??? {
??????? bool Flage = false;
??????? string procname = "dbo.IsValidateUserName";
??????? SqlParameter[] prams =
???????{
?????????? new SqlParameter("@UserName",SqlDbType.VarChar,50)};
?????????? prams[0].Value = UserName;
?????????? int intResult = DataBase.RunExecuteScalar(procname, prams);
??????? ?? if (intResult > 0)
?????? ?? {
?????? ?????? Flage = true;
????? ??? }
??????? ? return Flage;

??? }?????
??? /*對應的存儲過程
???????? * ALTER PROCEDURE dbo.IsValidateUserName ?
???????? (
???????? @UserName varchar(50)
???????? )?
?????????? AS
???????? select count(*) from Users where UserName=@UserName
???????? RETURN
???????? */
3.注冊用戶：
????public static bool AddUser(Users singleUser)
??? {??
??????? bool Flage=false;
??????? string procname = "dbo.AddUser";
??????? SqlParameter[] prams ={
????????????????????????????????? new SqlParameter("@UserName",SqlDbType.VarChar,50),
????????????????????????????????? new SqlParameter("@UserPwd",SqlDbType.VarChar,100)};
??????? prams[0].Value = singleUser.UserName;? //singleUser為數據表user表對應的類；
??????? prams[1].Value = singleUser.UserPwd;
??????? int intResult = DataBase.RunExecute(procname, prams);
??????? if(intResult>0)
??????? {
??????????? Flage = true;
??????? }
??????? return Flage;???????
??? }
????? //用到的存儲過程；

????? ALTER PROCEDURE dbo.AddUser ?
???? ?(
??????? ?@UserName varchar(50),
??????? ?@UserPwd varchar(100)
????? ?)?
????? AS
???? ?insert into Users(UserName,UserPwd) values(@UserName,@UserPwd)
??????RETURN
???? //數據訪問類中的執行函數；
?????public static int RunExecute(string procName,SqlParameter[] prams)
?? ? {
??????? SqlConnection Conn = ReturnConn();
??????? SqlCommand Cmd = CreateCmd(procName,prams,Conn);
??????? int intResult = Cmd.ExecuteNonQuery();
??????? Conn.Close();
??????? return intResult;
?? ? }

轉載于:https://www.cnblogs.com/zhangqs008/archive/2009/09/03/2802247.html

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