teachers/Modify2.aspx.cs

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using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Text;
using System.Data.SqlClient;

public partial class teachers_Modify : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            txt_outdate.Text = DateTime.Now.ToString("yyyy-MM-dd");
        }
    }



    /// <summary>
    /// 编辑
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void btnSave_Click(object sender, EventArgs e)
    {
        //更新   
        StringBuilder strSql = new StringBuilder();

        strSql.Append("update teachers set ");
        strSql.Append("tno = @tno,");
        strSql.Append("flag = @flag,");
        strSql.Append("outdate = @outdate,");
        strSql.Append("outmemo = @outmemo");
        strSql.Append("  where tno=@tno");
        string tno = Request.QueryString["id"];

        //设置参数
        SqlParameter[] parameters = new SqlParameter[] {
                    new SqlParameter("@tno", SqlDbType.VarChar,50),
                    new SqlParameter("@flag", SqlDbType.VarChar,50),
                    new SqlParameter("@outdate", SqlDbType.VarChar,50),
                    new SqlParameter("@outmemo", SqlDbType.VarChar,500)  };
        parameters[0].Value = tno;

        parameters[1].Value = "离职";
        parameters[2].Value = txt_outdate.Text;
        parameters[3].Value = txt_outmemo.Text;

        //提交到数据库
        SqlHelper.ExecuteNonQuery(strSql.ToString(), CommandType.Text, parameters);

        Page.ClientScript.RegisterStartupScript(this.GetType(), "alert", "<script>alert('操作成功，请返回!');location.href='Manage2.aspx';</script>");
    }