usercontrol1.cs

社区管理系统

        }
        public void visilize()
        {
            reset();    //将各个控件置为初始状态
            this.Visible = true;
        }

        public void disVisilize()
        {
            this.Visible = false;
        }
        private void reset()
        {
            dealID = 0;
            selectedIndex = -1;
            btZKalter.Enabled = false;
            btZKdel.Enabled = false;
            btZKpri.Enabled = false;
            tbZKkind.Text = "";     //清空TextBox及ComboBox
            tbZKname.Text = "";
            tbZKnum.Text = "";
            tbZKhcount.Text = "";
            tbZKlcount.Text = "";
            tbZKsum.Text = "";
            cbZKstat.Text = "";
            cbZKstat.Text = "";
            //dtZKdate.Text = "";
        }
        
        private void tbCWname_TextChanged(object sender, EventArgs e)
        {

        }

        private void cbCWstat_SelectedIndexChanged(object sender, EventArgs e)
        {

        }

        private void btZKdel_Click(object sender, EventArgs e)
        {
            String cmd = generateDeleteCommand();
            int affectRows = DBManager.Execute(cmd);
            if (affectRows == -1)
            {  //数据库出错
                MessageBox.Show(DBManager.errorMessage);
                return;
            }
            else if (affectRows == 0)
            {
                MessageBox.Show("此数据已被其他登陆用户删除");
            }
            if (selectedIndex == dgvZK.Rows.Count - 2)
            {
                dgvZK.Rows.Remove(dgvZK.Rows[selectedIndex]);
                selectedIndex--;
                if (selectedIndex == -1)
                {//若dgvZK没有数据则重置界面
                    reset();
                    return;
                }
            }
            else dgvZK.Rows.Remove(dgvZK.Rows[selectedIndex]);
            showDetailInfo(selectedIndex);
        }

        private void btZKadd_Click(object sender, EventArgs e)
        {
            String cmd;
            if (checkInput("Insert") == false) return;//用户输入错误
            cmd = generateSelectCommand();    //首先查找数据库中有没有相同内容的
            DataTable dataTable = DBManager.ExecuteSelectCommand(cmd);
            if (dataTable == null)
            {  //数据库出错
                MessageBox.Show(DBManager.errorMessage);
                return;
            }
            else if (dataTable.Rows.Count > 0)
            {
                MessageBox.Show("数据库中已存在相同信息");
                return;
            }

            //将信息添加到数据库
            cmd = generateInsertCommand();    //根据输入情况生成相应的命令

            int affectedRows = DBManager.Execute(cmd);

            if (affectedRows == -1)
            {  //数据库出错
                MessageBox.Show(DBManager.errorMessage);
                return;
            }
            else if (affectedRows == 0)
            {//
                MessageBox.Show("插入失败");
                return;
            }
            else
            {//插入成功，
                //showDetailInfo(selectedIndex);//显示插入前的一行
                MessageBox.Show("添加成功！");
                dgvZK.DataSource = DBManager.ExecuteSelectCommand("select * from 账款信息");
                showDetailInfo(selectedIndex);//显示插入前的一行
                /*DataRow row = new DataRow();
                row.set
                row.ItemArray={insertDealID,tbZKkind.Text};
                dgvZKCell[] cell = new dgvZKCell[6];
                for (int i = 0; i < 6; i++) cell[i] = new dgvZKCell();
                row.Cells = cell;
                row.Cells[0].Value=insertDealID;
                row.Cells[1].Value=tbZKkind.Text;
                row.Cells[2].Value=tbZKname.Text;
                row.Cells[3].Value=int.Parse(tbZKcount.Text);
                row.Cells[4].Value=tbZKhcount.Text;
                row.Cells[5].Value=cbZKstat.Text;
                row.Cells[6].Value=dtZKdate.Text;

                dgvZK.Rows.Add(row);
                int idx = dgvZK.Rows.IndexOf(row);
                selectedIndex = idx;
                showDetailInfo(idx);
              */
            }
        }

        private void btZKalter_Click(object sender, EventArgs e)
        {
            String cmd;
            if (checkInput("Modify") == false) return;  //用户输入不合法
            cmd = generateUpdateCommand();    //根据输入情况生成相应的命令

            int affectRows = DBManager.Execute(cmd);
            if (affectRows == -1)
            {  //数据库出错
                MessageBox.Show(DBManager.errorMessage);
                return;
            }
            else if (affectRows == 0)
            {//没有搜索到对应信息
                MessageBox.Show("修改失败");
                return;
            }
            else
            {//成功修改,更新dgvZK
               // DataGridViewRow row = dgvZK.Rows[selectedIndex];
               // row.Cells["账款类别"].Value = tbZKkind.Text;
              //  row.Cells["账款名称"].Value = tbZKname.Text;
              //  row.Cells["账款号码"].Value = tbZKnum.Text;
              //  row.Cells["借方数目"].Value = tbZKhcount.Text;
              //  row.Cells["账款状态"].Value = cbZKstat.Text;
               // row.Cells["日期"].Value = tbZKdate.Text;
                MessageBox.Show("修改成功！");
                dgvZK.DataSource = DBManager.ExecuteSelectCommand("select * from 账款信息");
                showDetailInfo(selectedIndex);//显示修改前的一行
            }
        }
        private void showDetailInfo(int idx)
        {
            if (idx < 0) return;
            selectedIndex = idx;
            dealID = (Int64)dgvZK.Rows[idx].Cells["账款号码"].Value;//得到用户选择的行的主键
            DataTable dt = DBManager.ExecuteSelectCommand(String.Format("select * from 账款信息 where 账款号码='{0}'", dealID));
            if (dt == null)
            {//数据库错误
                MessageBox.Show(DBManager.errorMessage);
                dealID = 0;
                return;
            }
            else if (dt.Rows.Count == 0)
            {  //未找到此记录
                MessageBox.Show("此记录可能已被其他用户删除");
                dealID = 0;
                return;
            }

            tbZKkind.Text = (String)dt.Rows[0]["账款类别"];
            tbZKname.Text = (String)dt.Rows[0]["账款名称"];
            tbZKnum.Text = (Int32)dt.Rows[0]["账款号码"] + "";  //用这种方式将数字转换成字符串
            tbZKhcount.Text = (String)dt.Rows[0]["借方数目"]+"";
            tbZKlcount.Text = (Int64)dt.Rows[0]["贷方数目"] + "";
            tbZKsum.Text = (Int64)dt.Rows[0]["总计"] + "";
            cbZKstat.Text = (String)dt.Rows[0]["账款状态"];
            tbZKdate.Text = (String)dt.Rows[0]["日期"];
           

            btZKalter.Enabled = true;//此时可以操作修改、删除数据
            btZKdel.Enabled = true;
        }

        private void label7_Click(object sender, EventArgs e)
        {

        }

        private void dgvZK_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {

        }
       
     
    }
}