生死簿管理系统

#region 加载事件
        private void Form1_Load(object sender, EventArgs e)
        {
            LoadDgv();
        }
        #endregion

1.生死簿管理系统

 #region 绑定数据
        public void LoadDgv()
 {
     //代码块
 }

2.生死簿管理系统没找到的结果

 if (!dr.HasRows)
                {
                    MessageBox.Show("这个人阳寿未尽！", "地府判官提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);

3.处理异常代码块

 catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }

4.查询代码

 #region 查询
        private void btnSelect_Click(object sender, EventArgs e)
        {
            LoadDgv();
        }
        #endregion

5.清空代码

 #region 清空
        private void btnClear_Click(object sender, EventArgs e)
        {
            this.txtName.Text = "";
            this.cboType.SelectedIndex = -1;
        }

6.删除代码

 #region 删除
        private void tsmiDel_Click(object sender, EventArgs e)
        {
            //ListViewItem item = this.lvList.FocusedItem;
            //string id = item.Text;
            if (this.lvList.SelectedItems.Count <= 0)
            {
                MessageBox.Show("找到请选择一个人。");
                return;
            }
            string id = this.lvList.SelectedItems[0].Text;
            string sql = @"delete from LiveDieInfo where LiveDiedid= " + id;
            SqlConnection con = null;
            try
            {
                con = new SqlConnection("server=.;uid=sa;pwd=sa;database=LiveDiedBooks");
                con.Open();
                SqlCommand cmd = new SqlCommand(sql, con);
                DialogResult dr =  MessageBox.Show("确定要删除吗？一旦删除记录不可恢复", "地府判官提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Information);
                if (dr == DialogResult.OK)
                {
                    int ret = cmd.ExecuteNonQuery();
                    if (ret > 0)
                    {
                        MessageBox.Show("删除成功！", "地府判官提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                        LoadDgv();
                    }
                    else
                    {
                        MessageBox.Show("删除失败！", "地府判官提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    }
                   
                }
               
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            finally
            {
                if (null  != con)
                {
                    con.Close();
                }
            }
        }
        #endregion

7.效果图