riziOper.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace Program
{
    public partial class riziOper : Form
    {
        int infoid = 0;
        public riziManage infolist;
        string username = string.Empty;
        int act = 0;
        public riziOper(int _act,int id, riziManage mylist, string _username)
        {
            InitializeComponent();
            username = _username;
            act = _act;

            if (mylist != null)
                infolist = mylist;

            DataTable dt = App_Code.DB.getDataTable("select * from rizi where riziid=" + id);
            if (dt.Rows.Count > 0)
            {
                this.Text = "修改跟踪信息";

                infoid = id;

                riziname.Text = dt.Rows[0]["riziname"].ToString();
                leixing.Text = dt.Rows[0]["leixing"].ToString();
                url.Text = dt.Rows[0]["url"].ToString();
                content.Text = dt.Rows[0]["content"].ToString();
            }
            else
            {
                this.Text = "添加跟踪信息";
                leixing.Text = "考研";
            }
        }

        /// <summary>
        /// 保存
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnSubmit_Click(object sender, EventArgs e)
        {

            if (riziname.Text == "")
            {
                MessageBox.Show("请输入标题。", "提示");
                return;

            }

            if (url.Text == "")