Information/typeEdit.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;
using System.Data.SqlClient;
using Mysqlserver;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            this.btn_submit.Attributes.Add("onclick", "return isNull();");
    
          
        }
    }

    
  
    protected void btn_reset_Click(object sender, EventArgs e)
    {
        string url = "styleInfo.aspx";
        this.Response.Write("<script>window.opener.location.href=window.opener.location.href;window.close();</script>");
        this.Response.Write("<script>window.opener.location.replace('" + url + "');window.close();</script>");
    }
    protected void btn_submit_Click(object sender, EventArgs e)
    {
        SqlServerDataBase db = new SqlServerDataBase();
        SqlConnection conn = db.DBconn();
        string sqlStr = "";
       
            sqlStr = "select * from type_info where  type_name = '" + this.txt_Name.Text.Trim() + "'";
            DataSet ds = db.Select(sqlStr, conn);
            if (ds.Tables[0].Rows.Count > 0)
            {
                Response.Write("<script>alert('该类型已存在!')</script>");
                
            }
            else
            {
                sqlStr = "insert into type_info(type_name)";
                sqlStr += "values('" + txt_Name.Text.Trim()  + "')";
                db.Insert(sqlStr, conn);
                Response.Write("<script>alert('添加成功!')</script>");
            }
        }
    
}