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protected void Page_Load(object sender, EventArgs e)
    {
        /*
        sql½Å±¾-´´½¨Ñ§Éú±í
        create table student(id int,name varchar(50))
        insert into student select 1,'СÕÅ'
        insert into student select 2,'СÍõ'
       
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        create proc proc_getName
        @id int,
        @name varchar(50) output
        as
        begin
        if exists(select 1 from student where id=@id)
        select @name=name from student where id=@id
        else
        set @name='--δÕÒµ½Ñ§Éú--'
        end
        */
    }
    //Ö´Ðд洢¹ý³Ì
    public void RunProcedure(string storedProcName, IDataParameter[] parameters)
    {
        string connectionString = "server=.;database=my;uid=sa;pwd=bb";//Êý¾Ý¿âÁ¬½Ó´®
        using (SqlConnection connection = new SqlConnection(connectionString))
        {
            DataSet dataSet = new DataSet();
            connection.Open();
            SqlDataAdapter sqlDA = new SqlDataAdapter();
 


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private void Page_Load(object sender, System.EventArgs e)
{
string checkCode = CreateRandomCode(4);
Session["CheckCode"] = checkCode;
CreateImage(checkCode);
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