st_addcourse.aspx.cs

来自「学生管理系统。C#开发。偏重与数据库的应用。」· CS 代码 · 共 75 行

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class ST_addcourse : System.Web.UI.Page
{
    SqlConnection st_conn;
    protected void Page_Load(object sender, EventArgs e)
    {
        string st_connstr = ConfigurationManager.AppSettings["st_dbconn"];
        st_conn = new SqlConnection(st_connstr);
        st_conn.Open();
    }
    private void st_cv_id_ServerValidate(object source, System.Web.UI.WebControls.ServerValidateEventArgs args)
    {

        SqlCommand st_comm = new SqlCommand("select * from ST_course where ST_Course_id=@Course_id", st_conn);
        st_comm.Parameters.Add("@Course_id", SqlDbType.VarChar, 50);
        st_comm.Parameters["@Course_id"].Value = st_tbx_id.Text;
        SqlDataReader st_dr = st_comm.ExecuteReader();
        if (st_dr.Read())
        {
            args.IsValid = false;
        }
        else
        {
            args.IsValid = true;
        }
        st_conn.Close();
    }
    protected void st_btn_ok_Click(object sender, EventArgs e)
    {
        //创建sql命令
        SqlCommand st_comm = new SqlCommand("insert_course_1", st_conn);
        //调用存储过程
        st_comm.CommandType = CommandType.StoredProcedure;
        try
        {
            st_comm.Parameters.Add(new SqlParameter("@Course_id", SqlDbType.VarChar, 50));
            st_comm.Parameters["@Course_id"].Value = st_tbx_id.Text;
            st_comm.Parameters.Add(new SqlParameter("@Course_name", SqlDbType.VarChar, 50));
            st_comm.Parameters["@Course_name"].Value = st_tbx_name.Text;
            st_comm.Parameters.Add(new SqlParameter("@Course_period", SqlDbType.Int, 4));
            st_comm.Parameters["@Course_period"].Value = st_tbx_period.Text;
            st_comm.Parameters.Add(new SqlParameter("@Course_credit", SqlDbType.Int, 4));
            st_comm.Parameters["@Course_credit"].Value = st_tbx_credit.Text;
            st_comm.Parameters.Add(new SqlParameter("@Course_kind", SqlDbType.Int, 4));
            st_comm.Parameters["@Course_kind"].Value = st_ddl_kind.SelectedItem.Value;
            st_comm.Parameters.Add(new SqlParameter("@Course_describe", SqlDbType.VarChar, 50));
            st_comm.Parameters["@Course_describe"].Value = st_tbx_else.Text;
            st_comm.Connection.Open();
            st_comm.ExecuteNonQuery();
            Response.Redirect("ST_course.aspx");

        }
        catch
        {
            st_lbl_remind.Text = "添加失败,请检查输入数据！";
            st_lbl_remind.Style["color"] = "red";
        }
        st_comm.Connection.Close();
    }
    protected void st_btn_reset_Click(object sender, EventArgs e)
    {
        Response.Redirect("ST_addcourse.aspx");
    }
}