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   源码介绍

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其中 用的是access数据库，如本机未安装access,则需先安装  AccessDatabaseEngine.exe

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

namespace 权限的控件
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        DataTable dt;
        string Is_add = "";//控件是添加还是修改
        string Sql;
        int c1 = 0, c2 = 0, c3 = 0, c4 = 0, c5 = 0;
        int ID = -1;
        //添加
        private void button1_Click(object sender, EventArgs e)
        {
            T1.Select();
            Is_add = "AD";
            Is_on();
            //添加状态,修改,删除不可用
            button2.Enabled = false;
            button3.Enabled = false;
            button4.Enabled = true;
            Clear(); 

        }
        //清零初始化,复选框按键全为未选中
        void Clear()
        {
        
            T1.Text = "";
            C1.Checked = false;
            C2.Checked = false;
            C3.Checked = false;
            C4.Checked = false;
            C5.Checked = false;
        
        }
        //全部选中
        void All_Checked()
        {
            C1.Checked = true ;
            C2.Checked = true;
            C3.Checked = true;
            C4.Checked = true;
            C5.Checked = true;
        
        }

        int hr;
        //单元单元格任意位置时发生
        private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            Is_off();

            Clear();
            try
            {
                hr = Data1.CurrentCell.RowIndex;
                ID = int.Parse(Data1[1, hr].Value.ToString());
                T1.Text = Data1[2, hr].Value.ToString();   //行和列和DT表相反
                T1.Text = T1.Text.Replace("‘", "'");
                T1.Text = T1.Text.Replace("蔡陆飞最棒", "蔡陆飞");
                if (Data1[3, hr].Value.ToString() == "1") C1.Checked = true;
                if (Data1[4, hr].Value.ToString() == "1") C2.Checked = true;
                if (Data1[5, hr].Value.ToString() == "1") C3.Checked = true;
                if (Data1[6, hr].Value.ToString() == "1") C4.Checked = true;
                if (Data1[7, hr].Value.ToString() == "1") C5.Checked = true;
            }
            catch { }

        }
        //即复选框可用状态
        private void Is_on()
        {
            All_ck.Enabled = true;
            All_ck.Checked = false;
            T1.Enabled = true;
            C1.Enabled = true;
            C2.Enabled = true;
            C3.Enabled = true;
            C4.Enabled = true;
            C5.Enabled = true;

        }
        //复选框全为不可用状
        private void Is_off()
        {
            All_ck.Enabled = false;
            T1.Enabled = false;
            C1.Enabled = false;
            C2.Enabled = false;
            C3.Enabled = false;
            C4.Enabled = false;
            C5.Enabled = false;
        
        }
        //修改
        private void button2_Click(object sender, EventArgs e)
        {//修改状态,添加,删除不可用
            button1.Enabled = false;
            button3.Enabled = false;
            button4.Enabled = true;
            Is_add = "XG";
            Is_on();
        }
        //加载的项目
        void load()
        {
            Sql = "select * from C_Object";
            Data1.DataSource = db.tables(Sql);

            dt =db.tables("Select * from C_Width");
            for (int i = 0; i < 8; i  )
                Data1.Columns[i].Width = int.Parse(dt.Rows[0][i].ToString());
           // MessageBox.Show(dt.Rows[0][7].ToString());
      
          
          
              
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            //skinEngine1.SkinFile = "MP10.ssk";
            load();

            Is_off();
        }
        //保存操作

        private void button4_Click(object sender, EventArgs e)
        {
            if (Is_add != "")
            {
                T1.Text = T1.Text.Replace("'", "‘");
                T1.Text = T1.Text.Replace("蔡陆飞", "蔡陆飞最棒");
                if (C1.Checked) c1 = 1; if (C2.Checked) c2 = 1; if (C3.Checked) c3 = 1; if (C4.Checked) c4 = 1; if (C5.Checked) c5 = 1;

                if (Is_add == "AD")//添加操作
                {


                    Sql = "insert into C_Object(User_name,A,B,C,D,E)values('"   T1.Text.Trim()   "',"   c1   ","   c2   ","   c3   ","   c4   ","   c5   ")";
                    // Sql = "Insert Into C_Object(User_name)values('" T1.Text.Trim() "')";
                    db.My_sql(Sql);
                    Is_add = ""; load();
                }
                else if (Is_add == "XG")//修改操作
                {

                    Sql = "Update C_Object Set User_name='"   T1.Text.Trim()   "',A="   c1   ",B="   c2   ",C="   c3   ",D="   c4   ",E="   c5   " where ID="   ID;
                    db.My_sql(Sql);
                    Is_add = ""; load();
                }
            }
            else
            { MessageBox.Show("没有任何操作!"); }
            button1.Enabled = true;
            button2.Enabled = true;
            button3.Enabled = true;
            c1 = 0; c2 = 0; c3 = 0; c4 = 0; c5 = 0;
            button4.Enabled = false;
        }

        private void button5_Click(object sender, EventArgs e)
        {
            button1.Enabled = true;
            button2.Enabled = true;
            button3.Enabled = true;
            button4.Enabled = true;
            Is_add = "";
        }

        private void button3_Click(object sender, EventArgs e)
        {
            if (ID != -1)
            {
                if (MessageBox.Show("确定要删除吗?", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
                {
                    Sql = "Delete from C_Object where ID="   ID;
                    db.My_sql(Sql);

                    load();
                    ID = -1;
                }
            }
            else
                MessageBox.Show("未选择任何项目!");
        }

        private void button6_Click(object sender, EventArgs e)
        {
            //if (ID == -1) { MessageBox.Show("没有选中任何项"); return; }
            {
                Sql = "delete from C_Object where ID in(";
                for (int i = 0; i < Data1.Rows.Count; i  )
                {
                    if (Data1.Rows[i].Cells[0].Value != null) //判断该行的复选框是否存在 
                    {
                        if (Data1.Rows[i].Cells[0].Value.ToString() == "True") //判断该复选框是否被选中 
                        {
                            Sql  = Data1.Rows[i].Cells[1].Value.ToString()   ",";

                        }
                    }
                }
                Sql = Sql.Substring(0, Sql.Length - 1);
                Sql  = ")";
                if (MessageBox.Show("确定要删除多条记录吗?", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
                {
                    db.My_sql(Sql);
                    load();
                }
            }
        }

        private void button7_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < 8; i  )
            {
                Sql = "Update C_Width Set  w"   (i   1)   "="   Data1.Columns[i].Width   "";
                db.My_sql(Sql);
            }

        }

        private void All_ck_CheckedChanged(object sender, EventArgs e)
        {
            if (All_ck.Checked)
            {
                All_Checked();
            }
            else
            {
                C1.Checked = false;
                C2.Checked = false;
                C3.Checked = false;
                C4.Checked = false;
                C5.Checked = false;
            }
        }
    }
}