学生信息管理系统 系统源代码.docx
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系统源代码 一、登录界面代码 using System; using System、Data; using System、Configuration; using System、Collections; using System、Web; using System、Web、Security; using System、Web、UI; using System、Web、UI、WebControls; using System、Web、UI、WebControls、WebParts; using System、Web、UI、HtmlControls; using System、Data、SqlClient; public partial class login : System、Web、UI、Page { protected void txtid_Click(object sender, EventArgs e) { txtid、Text = ""; txtpassword、Text = ""; } protected void Button1_Click(object sender, EventArgs e) { string strconn = ConfigurationManager、AppSettings["connStr"]; SqlConnection conn = new SqlConnection(strconn); conn、Open(); DataSet ds=new DataSet () ; SqlDataAdapter da = new SqlDataAdapter("select * from users where userid='" + txtid、Text + "' and userpwd='" + txtpassword、Text + "'", conn); da、Fill(ds); if (ds、Tables[0]、Rows、Count==0) { Label3 、Text ="账号或密码错误,请重新输入!"; } else { Session ["userid"]=txtid 、Text ; Session["userpwd"] = txtpassword、Text; Session["username"] = ds、Tables[0]、Rows[0]["username"]、ToString(); Session["userpower"] = ds、Tables[0]、Rows[0]["userpower"]、ToString(); if (Session["userpower"]、ToString () == "0") { Response、Redirect("admin/index、aspx"); } else if (Session["userpower"]、ToString() == "1") { Response、Redirect("student/index、aspx"); } else { Label3、Text = "对不起,权限验证失败"; } } conn、Close(); ds、Clear (); } } 二、添加课程页面代码 using System; using System、Data; using System、Configuration; using System、Collections; using System、Web; using System、Web、Security; using System、Web、UI; using System、Web、UI、WebControls; using System、Web、UI、WebControls、WebParts; using System、Web、UI、HtmlControls; using System、Data、SqlClient; public partial class addcourse : System、Web、UI、Page { Sqlmand mycmd; SqlConnection conn; protected void Page_Load(object sender, EventArgs e) { courseid、Attributes、Add("onblur", "checkcourseid()"); string strconn = ConfigurationManager、AppSettings["connStr"]; conn = new SqlConnection(strconn); } protected void Button1_Click(object sender, EventArgs e) { if (courseid、Text、ToString() == "") { Label7、Text = "课程号不能为空"; } else { string sqlstr = ""; sqlstr = "insert into course(courseid,coursename,coursetime,fen,type,teacher)values('" + courseid、Text + "','" + coursename、Text + "','" + coursetime、Text + "','" + fen、Text + "','" + type、Text + "','" + teacher、Text + "')"; conn、Open(); mycmd = new Sqlmand(sqlstr, conn); mycmd、Dispose(); try { mycmd、ExecuteNonQuery(); Response、Write("<script>javascript:alert('添加成功!!!');</script>"); } catch (SqlException) { Response、Write("<script>javascript:alert('添加失败!!!');</script>"); } finally { conn、Close(); sqlstr = ""; } } } protected void Button2_Click(object sender, EventArgs e) { courseid、Text = ""; coursename、Text = ""; coursetime、Text = ""; fen、Text = ""; type、Text = ""; } protected void Button3_Click(object sender, EventArgs e) { Response、Redirect("course、aspx"); } } 三、添加成绩程序代码 using System; using System、Data; using System、Configuration; using System、Collections; using System、Web; using System、Web、Security; using System、Web、UI; using System、Web、UI、WebControls; using System、Web、UI、WebControls、WebParts; using System、Web、UI、HtmlControls; using System、Data、SqlClient; public partial class addscore : System、Web、UI、Page { Sqlmand mycmd; SqlConnection conn; protected void Page_Load(object sender, EventArgs e) { string strconn = ConfigurationManager、AppSettings["connStr"]; conn = new SqlConnection(strconn); } protected void Button1_Click(object sender, EventArgs e) { if (userid、SelectedValue 、ToString ()== "") { Label11、Text = "学号不能为空"; } else { string sqlstr = ""; sqlstr = "insert into score(userid,username,courseid,coursename,score,[year])values('" + userid、SelectedValue + "','" + username、Text + "','" + txtcourseid、SelectedValue + "','" + coursename、Text + "','" + score、Text + "','" + txtyear、SelectedValue + "')"; conn、Open(); mycmd = new Sqlmand(sqlstr, conn); mycmd、Dispose(); try { mycmd、ExecuteNonQuery(); Response、Write("<script>javascript:alert('添加成功!!!');</script>"); } catch (SqlException) { Response、Write("<script>javascript:alert('添加失败!!!');</script>"); } finally { conn、Close(); sqlstr = ""; } } } protected void Button2_Click(object sender, EventArgs e) { username、Text = ""; coursename、Text = ""; score、Text = ""; txtyear、Text = ""; } protected void Button3_Click(object sender, EventArgs e) { Response、Redirect("score、aspx"); } protected void userid_SelectedIndexChanged(object sender, EventArgs e) { string sqlstr = ""; sqlstr = "select username from students where userid='" + userid、SelectedValue + "'"; conn、Open(); mycmd = new Sqlmand(sqlstr, conn); mycmd、Dispose(); SqlDataReader da; da = mycmd、ExecuteReader(); while (da、Read()) { username、Text = da["username"]、ToString(); } } protected void txtcourseid_SelectedIndexChanged(object sender, EventArgs e) { string sqlstr = ""; sqlstr = "select coursename from course where courseid='" + txtcourseid、SelectedValue + "'"; conn、Open(); mycmd = new Sqlmand(sqlstr, conn); mycmd、Dispose(); SqlDataReader da; da = mycmd、ExecuteReader(); while (da、Read()) { coursename、Text = da["coursename"]、ToString(); } } } 四、添加学生程序代码 using System; using System、IO; using System、Text; using System、Data; using System、Configuration; using System、Collections; using System、Web; using System、Web、Security; using System、Web、UI; using System、Web、UI、WebControls; using System、Web、UI、WebControls、WebParts; using System、Web、UI、HtmlControls; using System、Data、SqlClient; public partial class addstudent : System、Web、UI、Page { Sqlmand mycmd; protected void Page_Load(object sender, EventArgs e) { userid、Attributes、Add("onblur", "checkuserid()"); string strconn = ConfigurationManager、AppSettings["connStr"]; SqlConnection conn = new SqlConnection(strconn); } protected void Button1_Click(object sender, EventArgs e) { if (userid、Text、ToString() == "") return; string strconn = ConfigurationManager、AppSettings["connStr"]; SqlConnection conn = new SqlConnection(strconn); string sqlstr = ""; string sql = ""; sqlstr = "insert into students(userid,username,sex,minzu,birthday,class,efrom,beizhu,xuey,zhuany,tel,idc,zhengzmm,zhiw,huoj,weij)values('" + userid、Text + "','" + txtusername、Text + "','" + txtsex、SelectedItem、Value + "','" + txtminzu、Text + "','" + txtbirthday、Text + "','" + txtclass、Text + "','" + txtefrom、Text + "','" + txtbeizhu、Text + "','" + txtxuey、SelectedValue + "','" + txtzhuany、SelectedValue + "','" + txttel、Text + "','" + txtidc、Text + "','" + txtzzmm、SelectedValue + "','" + txtzhiw、Text + "','" + txthuoj、Text + "','" + txtweij、Text + "')"; conn、Open(); mycmd = new Sqlmand(sqlstr, conn); mycmd、Dispose(); string name = this、、获取上传文件得名称 string type = name、Substring(name、LastIndexOf("\\") + 1);//获取上传文件得后缀 string ipath = Server、MapPath("images/") + DateTime、Now、ToString("yyyyMMddhhmmss") + name; string wpath = "images\\" + DateTime、Now、ToString("yyyyMMddhhmmss") + name; string query1 = "insert into images(userid,path) values('" + userid、Text + "',path)"; 、SaveAs(ipath); //服务器保存路径 Sqlmand cm = new Sqlmand(query1); cm、Connection = conn; cm、Parameters、Add("path", SqlDbType、VarChar, 50); cm、Parameters["path"]、Value = wpath; cm、ExecuteNonQuery(); // this、lb_info、Text = "上传成功!"; try { mycmd、ExecuteNonQuery(); string sqlstr1 = ""; sqlstr1 = "insert into users(userid,username)values('" + userid、Text + "','" + txtusername、Text + "') "; Sqlmand mycmd1 = new Sqlmand(sqlstr1, conn); mycmd1、Dispose(); try { mycmd1、ExecuteNonQuery(); Response、Write("<script>javascript:alert('添加成功!!!');</script>"); } catch (SqlException) { Response、Write("<script>javascript:alert('添加失败!!!');</script>"); } finally { sqlstr1 = ""; } } catch (SqlException) { Response、Write("<script>javascript:alert('添加失败!!!');</script>"); } finally { conn、Close(); sqlstr = ""; } } protected void Button2_Click(object sender, EventArgs e) { userid、Text = ""; txtusername、Text = ""; txtminzu、Text = ""; txtbirthday、Text = ""; txtclass、Text = ""; txtefrom、Text = ""; txtbeizhu、Text = ""; } protected void Button3_Click(object sender, EventArgs e) { Response、Redirect("student、aspx"); } } 五、检查课程号唯一性程序代码 using System; using System、Data; using System、Configuration; using System、Collections; using System、Web; using System、Web、Security; using System、Web、UI; using System、Web、UI、WebControls; using System、Web、UI、WebControls、WebParts; using System、Web、UI、HtmlControls; using System、Data、SqlClient; public partial class checkcourseid : System、Web、UI、Page { protected void Page_Load(object sender, EventArgs e) { Response、Expires = 0; string strconn = ConfigurationManager、AppSettings["connStr"]; SqlConnection conn = new SqlConnection(strconn); string nam = Request、QueryString["name"]、ToString(); string sql = "select courseid from course where courseid='" + nam + "'"; Sqlmand DBHelper; DBHelper = new Sqlmand(sql, conn); conn、Open(); SqlDataReader dr = DBHelper、ExecuteReader(); if (dr、Read()) { Response、Write("<b class='Error'>该课程号已经存在,请换一个</b>"); } else { Response、Write("<b class='Right'>该课程号可以使用</b>"); } dr、Close(); } } 六、检查学号唯一性程序代码 using System; using System、Data; using System、Configuration; using System、Collections; using System、Web; using System、Web、Security; using System、Web、UI; using System、Web、UI、WebControls; using System、Web、UI、WebControls、WebParts; using System、Web、UI、HtmlControls; using System、Data、SqlClient; public partial class checkuser : System、Web、UI、Page { protected void Page_Load(object sender, EventArgs e) { Response、Expires = 0; string strconn = ConfigurationManager、AppSettings["connStr"]; SqlConnection conn = new SqlConnection(strconn); string nam = Request、QueryString["name"]、ToString(); string sql = "select userid from students where userid='" + nam + "'"; Sqlmand DBHelper; DBHelper = new Sqlmand(sql, conn); conn、Open(); SqlDataReader dr = DBHelper、ExecuteReader(); if (dr、Read()) { Response、Write("<b class='Error'>该学号已经存在,请换一个</b>"); } else { Response、Write("<b class='Right'>该学号可以使用</b>"); } dr、Close(); } } 七、课程信息程序代码 using System; using System、Data; using System、Configuration; using System、Collections; using System、Web; using System、Web、Security; using System、Web、UI; using System、Web、UI、WebControls; using System、Web、UI、WebControls、WebParts; using System、Web、UI、HtmlControls; using System、Data、SqlClient; public partial class course : System、Web、UI、Page { SqlConnection conn; SqlDataReader getdata; protected void Page_Load(object sender, EventArgs e) { string strconn = ConfigurationManager、AppSettings["connStr"]; conn = new SqlConnection(strconn); SqlDataReader getdata; Sqlmand mycmd; DataSet ds = new DataSet(); string sql = ""; sql = "select * from course order by courseid"; mycmd = new Sqlmand(sql, conn); conn、Open(); getdata = mycmd、ExecuteReader(); grdMain、DataSource = getdata; grdMain、DataBind(); mycmd、Connection、Close(); conn、Close(); mycmd、Dispose(); } protected void Button1_Click(object sender, EventArgs e) { DataSet ds; SqlDataReader da; string strsql = ""; Sqlmand cmd; conn、Open(); strsql = "select * from course where courseid='" + courseid、Text + "'or coursename like '" + coursename、Text + "'"; cmd = new Sqlmand(strsql, conn); da = cmd、ExecuteReader(); Datagrid1、DataSource = da; Datagrid1、DataBind(); conn、Close(); cmd、Dispose(); cmd、Connection、Close(); } } 八、编辑、删除学生信息程序代码 using System; using System、Data; using System、Configuration; using System、Collections; using System、Web; using System、Web、Security; using System、Web、UI; using System、Web、UI、WebControls; using System、Web、UI、WebControls、WebParts; using System、Web、UI、HtmlControls; using System、Data、SqlClient; public partial class images_editstudent : System、Web、UI、Page { Sqlmand cmd; Sqlmand cmd2; protected void Page_Load(object sender, EventArgs e) { if (!this、IsPostBack) { string sql = ""; SqlDataReader reader; s展开阅读全文
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学生信息管理系统 系统源代码.docx



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