admin/AddCourse.aspx.cs

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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;

public partial class admin_AddCourse : System.Web.UI.Page
{
    data mydata = new data();
    protected void Page_Load(object sender, EventArgs e)
    {

        if (!IsPostBack)
        {


  
        }
    }
    protected void btnadd_Click(object sender, EventArgs e)
    {
        data mydata = new data();
        Alert js = new Alert();
        mydata.RunSql("insert into Course(courseName,XueFen)values('" + txtName.Text + "','"+TextBox1.Text+"')");
        Alert.AlertAndRedirect("添加成功！", "AddCourse.aspx");
    }
  
    protected void CustomValidator2_ServerValidate(object source, ServerValidateEventArgs args)
    {
    
        Alert js = new Alert();
        string result = mydata.ReturnSql("select count(*) from Course where courseName='" + this.txtName.Text + "'");//查询是否有指定的课程名称
        if ("0".Equals(result))//没有指定的记录
        {
            args.IsValid = true;
        }
        else
        {
            args.IsValid = false;
        }
    }
  
}