private void btn_login_Click(object sender, EventArgs e)
        {
            this.errorInfo.Clear();

            if (String.IsNullOrEmpty(this.tbx_Name.Text.Trim()))
            {
                try
                {
                    this.errorInfo.SetError(this.tbx_Name, "用户编码不能为空!");
                    return;
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "软件提示");
                    //throw ex;
                }
                finally
                {
                }
            }

            if (String.IsNullOrEmpty(this.tbx_Code.Text.Trim()))
            {
                try
                {
                    this.errorInfo.SetError(this.tbx_Code, "用户密码不能为空!");
                    return;
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "软件提示");
                    //  throw ex;
                }
                finally
                {
                }
            }
            // 比较用户名以及密码
            try
            {//if(true)
                if (PersistentData.m_bClearSignalRoot)
                {
                    if (tbx_Code.Text == DBOperate_Obj.Query_LogIn_Dat(PersistentData.m_bClearSignalRoot)[1] && tbx_Name.Text == DBOperate_Obj.Query_LogIn_Dat(PersistentData.m_bClearSignalRoot)[0]) //if (tbx_Code.Text == "888888" && tbx_Name.Text == "admin")
                    {
                        m_bAdminLogin = true;

                        Dispose();// 关闭窗口
                    }
                    else
                    {
                        MessageBox.Show("用户编码或用户密码不正确!", "软件提示");
                    }
                }
                else
                {
                    if (tbx_Code.Text == DBOperate_Obj.Query_LogIn_Dat(PersistentData.m_bClearSignalRoot)[1] && tbx_Name.Text == DBOperate_Obj.Query_LogIn_Dat(PersistentData.m_bClearSignalRoot)[0]) //if (tbx_Code.Text == "888888" && tbx_Name.Text == "admin")
                    {
                        m_bAdminLogin = true;

                        Dispose();// 关闭窗口
                    }
                    else
                    {
                        MessageBox.Show("用户编码或用户密码不正确!", "软件提示");
                    }
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "软件提示");
                //throw ex;
            }
        }