简单考试系统

using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Data.SqlClient;namespace实º¥Ì训¥Ì{publicpartialclass admin : Form{public admin(){InitializeComponent();}privatevoid button2_Click(object sender, EventArgs e){Close();}///<summary>///进?数ºy据Y库a的Ì?update操¨´作Á¡Â///</summary>///<param name="sender"></param>///<param name="e"></param>privatevoid button1_Click(object sender, EventArgs e){string mycmd = "update myuser setAdministrator='"+textBox1.Text+"',Passwords='"+textBox2.Text+"'"; MessageBox.Show(mycmd);SqlConnection con = new SqlConnection();con.ConnectionString = "server=.; Integrated Security=true; Initial Catalog=shixun";SqlCommand cmd = new SqlCommand(mycmd, con);con.Open();cmd.ExecuteNonQuery();con.Close();}privatevoid admin_Load(object sender, EventArgs e){}}}using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Data.SqlClient;namespace实º¥Ì训¥Ì{publicpartialclass administrator : Form{public administrator(){InitializeComponent();}string str = "";privatevoid administrator_Load(object sender, EventArgs e){str = "select * from tk";disp_1(str);}privatevoid button2_Click(object sender, EventArgs e){this.Close();}privatevoid button1_Click(object sender, EventArgs e){str = "update tk set 问¨º题¬a='"+wenti.Text+"',"+"答äe案ã?='"+daan.Text+"',"+"选?项?='"+xuanxiang.Text+"',分¤?值¥Ì='"+fenshu.Text+"' where 题¬a号?='"+tihao.Text+"'"; MessageBox.Show(str);opera(str);str = "select * from tk";disp_1(str);}privatevoid disp_1(string strr){SqlConnection con = new SqlConnection();con.ConnectionString = "server=.; Integrated Security=true; InitialCatalog=shixun";SqlDataAdapter adpt = new SqlDataAdapter(strr, con);DataSet myds = new DataSet();adpt.Fill(myds);tihao.DisplayMember = "题¬a号?";tihao.DataSource = myds.Tables[0].DefaultView;this.dataGridView1.DataSource = myds.Tables[0].DefaultView;}privatevoid opera(string strr){SqlConnection con = new SqlConnection();con.ConnectionString = "server=.; Integrated Security=true; Initial Catalog=shixun";SqlCommand cmd = new SqlCommand(strr, con);con.Open();cmd.ExecuteNonQuery();con.Close();//SqlConnection con = new SqlConnection();//con.ConnectionString = "server=.; Integrated Security=true;Initial Catalog=jiaju"; //SqlCommand command = new SqlCommand(str, con);//con.Open();//command.ExecuteNonQuery();//con.Close();}privatevoid button3_Click(object sender, EventArgs e){admin ad = new admin();ad.Text = "管¨¹理¤¨ª员¡À帐¨º户¡ë修T改?";ad.Show();}privatevoid administrator_FormClosed(object sender, FormClosedEventArgs e){Tag = "OK";}}}using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Data.SqlClient;namespace实º¥Ì训¥Ì{publicpartialclass adRE : Form{publicstring name="";public adRE(){InitializeComponent();}privatevoid button2_Click(object sender, EventArgs e){Close();}privatevoid adRE_FormClosed(object sender, FormClosedEventArgs e){Tag = "OK";}int i = 0;privatevoid button1_Click(object sender, EventArgs e){string cmd = "";if (Tag.ToString() == "3"){cmd = "delete from myuser where 用®?户¡ë名?='" + comboBox1.Text + "'"; // cmd = "select * from myuser";i = 1;}else{if (textBox1.Text != ""&& textBox2.Text != ""){if (Tag.ToString() == "1")cmd = "update myuser set 用®?户¡ë名?='" + textBox1.Text + "',密¨¹码?='" + textBox2.Text + "'" + " where 用®?户¡ë名?='" + name + "'";elseif (Tag.ToString() == "2")cmd = "insert myuser(用®?户¡ë名?,密¨¹码?) values('" + textBox1.Text + "','" + textBox2.Text + "')";i = 1;}else{MessageBox.Show("其?中D任¨?何?一©?个?文?本À?框¨©不?能¨¹为a空?！ê?");}}// MessageBox.Show(cmd);if (i == 1){i = 0;repair(cmd);}}privatevoid repair(string mycmd){try{SqlConnection con = new SqlConnection();con.ConnectionString = "server=.; Integrated Security=true; Initial Catalog=shixun";SqlCommand cmd = new SqlCommand(mycmd, con);con.Open();SqlDataReader myreader;myreader = cmd.ExecuteReader();con.Close();// }MessageBox.Show("操¨´作Á¡Â成¨¥功|！ê?");}catch (Exception){MessageBox.Show("您¨²进?行D了¢?非¤?法¤¡§操¨´作Á¡Â！ê?");}disp();}privatevoid adRE_Load(object sender, EventArgs e){if (Tag.ToString() == "3"){textBox2.Visible = false;label2.Visible = false;}disp();}privatevoid disp(){comboBox1.Items.Clear();string mycmd = "select * from myuser";SqlConnection con = new SqlConnection();con.ConnectionString = "server=.; Integrated Security=true; Initial Catalog=shixun";SqlCommand cmd = new SqlCommand(mycmd, con);con.Open();SqlDataReader myreader;myreader = cmd.ExecuteReader();while (myreader.Read()){comboBox1.Items.AddRange(newobject[] { myreader["用®?户¡ë名?"] }); }con.Close();}}}using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Data.SqlClient;namespace实º¥Ì训¥Ì{publicpartialclass answer : Form{publicstring name = "";public answer(){InitializeComponent();}Button bt; //定¡§义©?一©?个?全¨?局?的Ì?bt按ã¡ä钮£¤来¤¡ä记?录?它¨¹按ã¡ä下?的Ì?状Á¡ä态¬?string t1 = "";string t2 = "";string t3 = "";string t4 = "";string t5 = "";int ib = 0;string th = "";string wt="";privatevoid button1_Click(object sender, EventArgs e){bt = (Button)sender; //取¨?当Ì¡À前¡ã按ã¡ä下?的Ì?对?像?full_false(); //高?一©?个?自Á?定¡§义©?的Ì?方¤?法¤¡§将?一©?些?控?件tfasestop(bt);string str = "";th = bt.Text.Substring(1,bt.Text.Length-2); //记?录?题¬a号?str = "select * from tk where 题¬a号?="+th; //按ã¡ä题¬a号?进?行D选?题¬a SqlConnection con = new SqlConnection();con.ConnectionString = "server=.; Integrated Security=true; InitialCatalog=shixun";SqlCommand cmd = new SqlCommand(str, con);con.Open();SqlDataReader myreader;myreader = cmd.ExecuteReader();//以©?下?是º?取¨?问¨º题¬a的Ì?同ª?时º¡À也©2进?了¢?取¨?答äe案ã?的Ì?操¨´作Á¡Â、¡é并¡é且¨©所¨´取¨?出?来¤¡ä的Ì?答äe案ã?放¤?在¨²一©?个?变À?量¢?中D//还1要©a比À¨¨较?长¡è的Ì?字Á?符¤?串ä?分¤?成¨¥了¢?20个?一©?行D进?行D了¢?显?示º?while (myreader.Read()){int i = myreader["问¨º题¬a"].ToString().Length;int i1 = i;string str1=myreader["问¨º题¬a"].ToString();wt=str1;string totle = "";if (i >= 20){int s = 0;while (i1 >= 20){totle += str1.Substring(s, 20) + "\n";s = s + 20;i1 = i - totle.Length;}totle += str1.Substring(s);}else{totle = str1;}wenti.Text = totle;int i2 = myreader["选?项?"].ToString().Length;int i22 = i2;string str2=myreader["选?项?"].ToString();string totle2 = "";if (i2 > 20){int s2 = 0;while (i22 > 20){totle2 += str2.Substring(s2, 20)+"\n"; //MessageBox.Show(totle2);s2 = s2 + 20;i22= i2 - totle2.Length;}totle2 += str2.Substring(s2);}else{totle2 = str2;}xuanxiang.Text = totle2;}con.Close();}privatevoid stop(Button bt){// MessageBox.Show(bt.Text);bt.Enabled = false;} //将?按ã¡ä下?的Ì?键¨¹高?为aenableprivatevoid full_false(){button2.Visible = false;button3.Visible = false;button4.Visible = false;button5.Visible = false;button6.Visible = false;button7.Visible = false;button8.Visible = false;button9.Visible = false;button10.Visible = false;button11.Visible = false;button12.Visible = false;button13.Visible = false;button14.Visible = false;button15.Visible = false;button16.Visible = false;button17.Visible = false;button18.Visible = false;button19.Visible = false;button20.Visible = false;//以©?上¥?是º?所¨´有®D的Ì?按ã¡ä键¨¹消?失º¡ë//使º1以©?下?控?件t进?行D显?示º?button21.Visible = true;label1.Visible = true;label2.Visible = true;xuanxiang.Visible =true;wenti.Visible = true;daan.Visible = true;textBox1.Visible = true;stop(bt);} //禁?用®?一©?些?键¨¹privatevoid full_true(){button1.Visible = true;button2.Visible = true;button3.Visible = true;button4.Visible = true;button5.Visible = true;button6.Visible = true;button7.Visible = true;button8.Visible = true;button9.Visible = true;button10.Visible = true;button11.Visible = true;button12.Visible = true;button13.Visible = true;button14.Visible = true;button15.Visible = true;button16.Visible = true;button17.Visible = true;button19.Visible = true;button20.Visible = true;//以©?上¥?是º?显?示º?所¨´有®D的Ì?按ã¡ä键¨¹//以©?下?是º?所¨´要©a消?失º¡ë的Ì?控?件tlabel1.Visible = false;label2.Visible = false;xuanxiang.Visible = false;wenti.Visible = false;button21.Visible = false;daan.Visible = false;textBox1.Visible = false;stop(bt); //这a是º?一©?个?当Ì¡À按ã¡ä下?去¨£¤进?行D停ª¡ê用®?了¢?一©?个?按ã¡ä钮£¤(这a也©2是º?一©?个?自Á?定¡§义©?的Ì?方¤?法¤¡§)} //调Ì¡Â用®?一©?些?键¨¹///<summary>//////</summary>///<param name="sender"></param>///<param name="e"></param>publicstring dt = ""; //答äe题¬a日¨?期¨²privatevoid answer_Load(object sender, EventArgs e){button21.Visible = false;label1.Visible = false;label2.Visible = false;xuanxiang.Visible = false;wenti.Visible = false;daan.Visible = false;textBox1.Visible = false;dt=System.DateTime.Now.ToString(); //记?录?答äe题¬a日¨?期¨²//以©?上¥?是º?窗ä¡ã体¬?启?动¡¤时º¡À不?显?示º?的Ì?控?件t//以©?下?是º?有®D窗ä¡ã体¬?加¨®载?时º¡À先¨¨写¡ä入¨?库a中D当Ì¡À前¡ã的Ì?用®?记?名?，ê?和¨ª日¨?期¨²// string str = "insert into UserRecord values(")"; //按ã¡ä号?从䨮库a中D取¨?出?正y 确¨¡¤答äe案ã?string str="insert into UserRecordvalues('"+name+"','"+dt+"',"+"null,null,null,null,null,null,null,null,null,null,null)"; SqlConnection con = new SqlConnection();con.ConnectionString = "server=.; Integrated Security=true; InitialCatalog=shixun";SqlCommand cmd = new SqlCommand(str, con);con.Open();SqlDataReader myreader;// MessageBox.Show(str);myreader = cmd.ExecuteReader();con.Close();} //窗ä¡ã体¬?加¨®载?时º¡À的Ì?操¨´作Á¡Â///<summary>//////</summary>///<param name="sender"></param>///<param name="e"></param>//int i = 1;string cu = ""; //取¨?正y确¨¡¤答äe案ã?int score = 0; //从䨮库a中D取¨?分¤?数ºyint totlescor = 0; //中D间?分¤?数ºyint totle = 0; //总Á¨¹分¤?数ºystring f_or_t = ""; //记?录?正y误¨®privatevoid button21_Click(object sender, EventArgs e){full_true();bt = (Button)sender;if (ib < 5){if (ib == 1)t1 = bt.Text.Substring(1, bt.Text.Length - 2);elseif (ib == 2)t2 = bt.Text.Substring(1, bt.Text.Length - 2);elseif (ib == 3)t3 = bt.Text.Substring(1, bt.Text.Length - 2);elseif (ib == 4)t4 = bt.Text.Substring(1, bt.Text.Length - 2);elseif (ib == 5)t5 = bt.Text.Substring(1, bt.Text.Length - 2);ib++;totle += totlescor;totlescor = 0; ;if (ib >= 5){MessageBox.Show("您¨²所¨´做Á?的Ì?题¬a数ºy已©?经-5道̨¤了¢?，ê?分¤?数ºy为a:" + totle.ToString()); //做Á?题¬a过y了¢?5道̨¤的Ì?时º¡À候¨©this.Close();}}else{// this.Enabled = false;}string str = "select * from tk where 题¬a号?='"+th+"'"; //按ã¡ä号?从䨮库a中D取¨?出?正y确¨¡¤答äe案ã?SqlConnection con = new SqlConnection();con.ConnectionString = "server=.; Integrated Security=true; InitialCatalog=shixun";SqlCommand cmd = new SqlCommand(str, con);con.Open();SqlDataReader myreader;myreader = cmd.ExecuteReader();while (myreader.Read()){cu=myreader["答äe案ã?"].ToString(); //取¨?出?答äe案ã?score=Convert.ToInt16(myreader["分¤?值¥Ì"]); //取¨?出?分¤?数ºy}//MessageBox.Show(cu);//MessageBox.Show(textBox1.Text);con.Close();if (cu.Trim() == textBox1.Text) //一©?行D重?要©a从䨮数ºy据Y库a里¤?取¨?的Ì?char类¤¨¤型¨ª的Ì?一©?定¡§要©a进?行D去¨£¤空?格?，ê?要©a不?然¨?不?等̨¨记?{//MessageBox.Show("正y确¨¡¤!");//MessageBox.Show("分¤?数ºy为a:"+score.ToString());totlescor = score; //如¨?果?相¨¤等̨¨将?分¤?数ºy给?totlesoor以©?后¨®存ä?入¨?数ºy据Y库af_or_t = "正y确¨¡¤"; //正y确¨¡¤的Ì?记?录?下?来¤¡ä}else{// MessageBox.Show("错䨪误¨®！ê?"); //不?正y确¨¡¤的Ì?答äe案ã?f_or_t = "错䨪误¨®"; //错䨪误¨®的Ì?记?录?下?来¤¡ä}//以©?下?是º?向¨©数ºy据Y库a中D定¡§用®?户¡ë操¨´作Á¡Â的Ì?信?息¡éstring dth = "第̨²" + ib + "题¬a";string zqx = "["+ib + "题¬a正y确¨¡¤性?"+"]";// string strr = "insert into UserRecord(dth,zqx) values()";string strr = "update UserRecord set "+ dth + "='" + wt + "',"+ zqx + "='"+ f_or_t + "' where 答äe题¬a日¨?期¨²='" + dt+"'";//MessageBox.Show(strr);SqlConnection conn = new SqlConnection();conn.ConnectionString = "server=.; Integrated Security=true; InitialCatalog=shixun";SqlCommand cmmd = new SqlCommand(strr, conn);conn.Open();SqlDataReader myreader1;// MessageBox.Show(str);myreader1 = cmmd.ExecuteReader();conn.Close();}privatevoid answer_FormClosed(object sender, FormClosedEventArgs e){string strr = "update UserRecord set 分¤?数ºy="+totle+"where 答äe题¬a日¨?期¨²='"+dt+"'"; // MessageBox.Show(strr);SqlConnection conn = new SqlConnection();conn.ConnectionString = "server=.; Integrated Security=true; InitialCatalog=shixun";SqlCommand cmmd = new SqlCommand(strr, conn);conn.Open();SqlDataReader myreader1;myreader1 = cmmd.ExecuteReader();conn.Close();Tag = "OK";}privatevoid button22_Click(object sender, EventArgs e){Close();} //单Ì£¤击¡Â确¨¡¤定¡§的Ì?时º¡À候¨©所¨´执¡ä行D的Ì?操¨´作Á¡Â}}using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Data.SqlClient;namespace实º¥Ì训¥Ì{publicpartialclass Clear : Form{public Clear()InitializeComponent();}string str = "";privatevoid button1_Click(object sender, EventArgs e){Close();}privatevoid Clear_Load(object sender, EventArgs e){str = "select * from UserRecord";disp(str);}privatevoid disp(string str){SqlConnection con = new SqlConnection();con.ConnectionString = "server=.; Integrated Security=true; Initial Catalog=shixun";SqlDataAdapter adpt = new SqlDataAdapter(str, con);DataSet myds = new DataSet();adpt.Fill(myds);this.dataGridView1.DataSource = myds.Tables[0].DefaultView;}privatevoid ope(string str2){SqlConnection con = new SqlConnection();con.ConnectionString = "server=.; Integrated Security=true; Initial Catalog=shixun";SqlCommand cmd = new SqlCommand(str2,con);try{con.Open();cmd.ExecuteNonQuery();con.Close();MessageBox.Show("操¨´作Á¡Â成¨¥功|!");}catch (Exception){MessageBox.Show("出?现?了¢?非¤?法¤¡§的Ì?操¨´作Á¡Â!");}}privatevoid button2_Click(object sender, EventArgs e){str = "delete from UserRecord";ope(str);disp("select * from UserRecord");privatevoid Clear_FormClosed(object sender, FormClosedEventArgs e){Tag = "OK";}}}using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Data.SqlClient;namespace实º¥Ì训¥Ì{publicpartialclass denglu : Form{publicstring bz = "";publicstring ft = "";public denglu(){InitializeComponent();}///<summary>///这a是º?在¨²本À?窗ä¡ã体¬?关?闭À?时º¡À进?了¢?一©?个?立¢¡é即¡ä专Á¡§值¥Ì操¨´作Á¡Â///</summary>///<param name="sender"></param>///<param name="e"></param>privatevoid denglu_FormClosed(object sender, FormClosedEventArgs e){Tag = "OK";}privatevoid button1_Click(object sender, EventArgs e){Close();}privatevoid button2_Click(object sender, EventArgs e){if (textBox1.Text != ""&& textBox2.Text != ""){SqlConnection con = new SqlConnection(); //创ä¡ä建¡§数ºy据Y的Ì?连¢?接¨®con.ConnectionString = "server=.; Integrated Security=true; InitialCatalog=shixun"; //创ä¡ä建¡§连¢?接¨®字Á?段?if (Tag.ToString() != "1") //这a是º?普?通ª¡§用®?户¡ë的Ì?登Ì?录?{SqlCommand cmd = new SqlCommand("select 用®?户¡ë名?,密¨¹码? from myuser", con); //进?行D 操¨´作Á¡Â命¨¹令¢?行D的Ì?设¥¨¨置?con.Open(); //打䨩开a当Ì¡À前¡ã要©a操¨´作Á¡Â的Ì?数ºy据Y表À¨ªSqlDataReader myreader; //声¥¨´明¡Âread的Ì?对?像?myreader = cmd.ExecuteReader(); //执¡ä行D操¨´作Á¡Âwhile (myreader.Read()) //判D断?是º?否¤?已©?经-读¨¢到Ì?最Á?一©?行D数ºy{if(myreader["用®?户¡ë名?"].ToString() == textBox1.Text && myreader["密¨¹码?"].ToString() == textBox2.Text){Hide();//Close();Tag = "OK";bz = "OK";ft = "1";}}con.Close();}//以©?上¥?是º?普?通ª¡§用®?户¡ë登Ì?录?///以©?下?是º?管¨¹理¤¨ª员¡À登Ì?录?elseif (Tag.ToString() == "1") //这a是º?管¨¹理¤¨ª员¡À的Ì?登Ì?录?{SqlCommand cmd = new SqlCommand("select Administrator,Passwords from myuser", con);con.Open();SqlDataReader myreader;myreader = cmd.ExecuteReader();while (myreader.Read()){//如¨?果?满¨²足Á?了¢?以©?下?if条¬?件t就¨ª说¥Ì明¡Â此ä?用®?记?登Ì?录?成¨¥功|了¢?//然¨?后¨®就¨ª执¡ä行Dif里¤?面?的Ì?命¨¹令¢?行D//执¡ä行D完ª¨º了¢?就¨ªbeark不?同ª?进?行D查¨¥看¡äif(myreader["Administrator"].ToString() == textBox1.Text && myreader["Passwords"].ToString() == textBox2.Text){textBox1.Text = "";textBox2.Text = "";Hide();//Close();// MessageBox.Show("这a是º?用®?记?管¨¹理¤¨ª员¡À");//administrator ad = new administrator();//ad.ShowDialog();Tag = "OK";bz = "OK";ft = "2";break;}}con.Close();}}else{//这a是º?用®?户¡ë名?和¨ª密¨¹码?有®D一©?个?为a空?的Ì?时º¡À候¨©就¨ª执¡ä行D以©?下?几?个?语®?句?MessageBox.Show("用®?户¡ë名?或¨©密¨¹码?不?能¨¹为a空?！ê?");}}privatevoid denglu_Load(object sender, EventArgs e){;}}}using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Data.SqlClient;namespace实º¥Ì训¥Ì{publicpartialclass disp : Form{publicstring values = "";publicstring bz = "";publicstring dtr = "NO";public disp(){InitializeComponent();}privatevoid disp_Load(object sender, EventArgs e){string str="";if(Tag.ToString()=="1")str ="select * from UserRecord where 姓?名?='"+values+"'";elseif (Tag.ToString() == "2"){str = "select 姓?名?,分¤?数ºy,答äe题¬a日¨?期¨² from UserRecord order by 分¤?数ºy desc";this.Width = 250;button1.Width = 75;button2.Left = 150;button2.Width = 75;}//MessageBox.Show(str);SqlConnection con = new SqlConnection();con.ConnectionString = "server=.; Integrated Security=true; InitialCatalog=shixun";SqlDataAdapter adpt = new SqlDataAdapter(str, con);DataSet myds = new DataSet();adpt.Fill(myds);this.dataGridView1.DataSource = myds.Tables[0].DefaultView;}privatevoid disp_FormClosed(object sender, FormClosedEventArgs e){Tag = "OK";}privatevoid button1_Click(object sender, EventArgs e){Close();}privatevoid button2_Click(object sender, EventArgs e){for (int i = 0 ; i < dataGridView1.RowCount-1; i++){//MessageBox.Show("操¨´作Á¡Â时º¡À间?" + dtr);//MessageBox.Show("库a中D时º¡À间?" +dataGridView1.Rows[i].Cells[2].Value.ToString().Trim());if (dataGridView1.Rows[i].Cells[2].Value.ToString().Trim() == dtr)MessageBox.Show("您¨²的Ì?名?次ä?为a:"+(i+1).ToString());}}}}using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Data.SqlClient;namespace实º¥Ì训¥Ì{publicpartialclass Form1 : Form{public Form1(){InitializeComponent();}///<summary>///以©?下?都?是º?调Ì¡Â一©?个?mdi窗ä¡ã体¬?，ê?在¨²单Ì£¤击¡Â时º¡À先¨¨对?判D断?对?像?是º?否¤?已©?经-消?毁¨´///如¨?果?消?毁¨´了¢?就¨ª再¨´生¥¨²新?建¡§一©?个?此ä?对?像?的Ì?实º¥Ì例¤y///然¨?后¨®再¨´执¡ä行D一©?些?操¨´作Á¡Â///再¨´调Ì¡Â用®?别Àe一©?个?被À?高?用®?的Ì?窗ä¡ã体¬?///</summary>denglu dl = new denglu();privatevoid登Ì?录?ToolStripMenuItem_Click(object sender, EventArgs e){if (dl.IsDisposed){dl = new denglu();}pictureBox1.Visible = false;saomiao.Enabled = true;saomiao.Interval = 100;dl.Tag = "NO";dl.MdiParent = this;dl.Show();}string name = "", passwords="";///<summary>///这a是º?自Á?定¡§义©?的Ì?定¡§时º¡À器¡Â扫¥¡§描¨¨方¤?法¤¡§///用®?这a个?方¤?法¤¡§来¤¡ä看¡ä当Ì¡À前¡ã子Á¨®窗ä¡ã体¬?的Ì?关?闭À?状Á¡ä态¬?，ê?///和¨ª执¡ä行D操¨´作Á¡Â的Ì?状Á¡ä态¬?//////</summary>///<param name="sender"></param>///<param name="e"></param>privatevoid saomiao_Tick(object sender, EventArgs e){if (dl.Tag.ToString() == "OK" || ad.Tag.ToString() == "OK" || aser.Tag.ToString() == "OK" || dp.Tag.ToString()=="OK"||cl.Tag.ToString()=="OK"||adm.Tag.ToString()=="OK"){dl.Tag = "NO";ad.Tag = "NO";// MessageBox.Show("OKOKOKO");if(aser.Tag.ToString()=="OK")dtr=aser.dt;aser.Tag = "NO";dp.Tag = "NO";cl.Tag = "NO";adm.Tag = "NO";pictureBox1.Visible = true;if (dl.bz == "OK"){if (dl.ft == "1"){menudl.Text ="已©?登Ì?录?";menudl.Enabled = false;menurm.Enabled = true;addyh.Enabled = false;op2.Enabled = true;name = dl.textBox1.Text; //记?录?下?登Ì?录?名?字Á?passwords = dl.textBox2.Text; //记?下?登Ì?录?密¨¹码?deluser.Enabled = false;clearm.Enabled = false;tkcz.Enabled = false;}elseif (dl.ft == "2"){。