protected void Button1_Click(object sender, EventArgs e)
{
int i;
CommDB mydb = new CommDB();
string mysql, sn = "";
mysql = "SELECT * FROM teacher WHERE tno='" + TextBox1.Text + "'";
i = mydb.Rownum(mysql, "teacher", ref sn);
if (i > 0)
{
Response.Redirect("~/dispinfo.aspx?info=编号重复,不能添加该教师记录!");
}
else
{
string xb;
if (RadioButton1.Checked)
{
xb = "男";
}
else if (RadioButton2.Checked)
{
xb = "女";
}
else
{
xb = "";
}
mysql = "INSERT INTO teacher(tno,tname,tsex,tdepart,tpass) VALUES('" +
TextBox1.Text + "','" + TextBox2.Text + "','" + xb + "','" +
TextBox3.Text + "','" + TextBox1.Text + "')";
//刚添加时密码同编号
mydb.ExecuteNonQuery(mysql);
Response.Redirect("~/dispinfo.aspx?info=教师记录已成功添加!");
}
}
protected void Button1_Click(object sender, EventArgs e)
{
int i;
CommDB mydb = new CommDB();
string mysql, sn = "";
mysql = "SELECT * FROM student WHERE sno='" + TextBox1.Text + "'";
i = mydb.Rownum(mysql, "student", ref sn);
if (i > 0)
{
Response.Redirect("~/dispinfo.aspx?info=学号重复,不能添加该学生记录!");
}
else
{
string xb;
if (RadioButton1.Checked)
{
xb = "男";
}
else if (RadioButton2.Checked)
{
xb = "女";
}
else
{
xb = "";
}
mysql = "INSERT INTO student(sno,sname,ssex,snation,sclass,spass) VALUES('" +
TextBox1.Text + "','" + TextBox2.Text + "','" + xb + "','" +
DropDownList1.SelectedValue + "','" + TextBox3.Text + "','" +
TextBox1.Text + "')";
mydb.ExecuteNonQuery(mysql);;
Response.Redirect("~/dispinfo.aspx?info=学生记录已成功添加!");
}
}
public void deltable(string tname)
{
CommDB mydb = new CommDB();
string mysql;
mysql = "DELETE " + tname;
mydb.ExecuteNonQuery(mysql);
}
public void delusertable(string tname)
{
CommDB mydb = new CommDB();
string mysql;
mysql = "DELETE " + tname;
mydb.ExecuteNonQuery(mysql);
mysql = "INSERT INTO Users(用户名,密码,类型,有效否) VALUES('system','manager','管理员','1')";
mydb.ExecuteNonQuery(mysql);
}
public void bind()
{
CommDB mydb = new CommDB();
string mysql = Request.QueryString["mysql"];
DataSet myds = new DataSet();
myds = mydb.ExecuteQuery(mysql, "score");
GridView1.DataSource = myds.Tables["score"];
GridView1.DataKeyNames = new string[] { "sno" };
GridView1.DataBind();
}
protected void Button1_Click(object sender, EventArgs e)
{
string mysql;
CommDB mydb = new CommDB();
mysql = "INSERT INTO score(sno,sname,cno,cname,degree,tno) " +
"SELECT sno,'" + Session["uname"] + "',cno,cname,0,tno FROM selcourse" +
" WHERE sno = '" + Session["uno"] + "' AND sel = '√'";
mydb.ExecuteNonQuery(mysql);
mysql = "DELETE FROM selcourse WHERE sno = '" + Session["uno"] + "'";
mydb.ExecuteNonQuery(mysql);
Server.Transfer("~/dispinfo.aspx?info=" + "你的选课已成功提交!");
}
protected void Button1_Click(object sender, EventArgs e)
{
CommDB mydb = new CommDB();
string mysql, sn = "";
int i;
mysql = "SELECT * FROM student WHERE sno='" + Session["uno"] + "' AND spass='******'";
i = mydb.Rownum(mysql, "student", ref sn);
if (i == 0)
{
Server.Transfer("~/dispinfo.aspx?info=原密码输入错误!");
}
else
{
mysql = "UPDATE student SET spass='******' WHERE sno='" + Session["uno"] + "'";
mydb.ExecuteNonQuery(mysql);
Server.Transfer("~/dispinfo.aspx?info=密码修改成功!");
}
}
protected void Button1_Click(object sender, EventArgs e)
{
int i;
CommDB mydb = new CommDB();
string mysql, sn = "";
mysql = "SELECT * FROM manager WHERE mno='" + TextBox1.Text + "'";
i = mydb.Rownum(mysql, "manager", ref sn);
if (i > 0)
{
Response.Redirect("~/dispinfo.aspx?info=管理员编程号重复,不能添加该课程记录!");
}
else
{
mysql = "INSERT INTO manager(mno,mname,mpass) VALUES('" +
TextBox1.Text + "','" + TextBox2.Text + "','" + TextBox1.Text + "')";
mydb.ExecuteNonQuery(mysql);
Response.Redirect("~/dispinfo.aspx?info=管理员记录已成功添加!");
}
}
protected void Button1_Click(object sender, EventArgs e)
{
int i;
CommDB mydb = new CommDB();
string mysql, sn = "";
mysql = "SELECT * FROM course WHERE cno='" + TextBox1.Text + "'";
i = mydb.Rownum(mysql, "course", ref sn);
if (i > 0)
{
Response.Redirect("~/dispinfo.aspx?info=课程号重复,不能添加该课程记录!");
}
else
{
mysql = "INSERT INTO course(cno,cname,ctime,cplace,tno,tname) VALUES('" +
TextBox1.Text + "','" + TextBox2.Text + "','" + TextBox3.Text + "','" +
TextBox4.Text + "','','')";
mydb.ExecuteNonQuery(mysql);;
Response.Redirect("~/dispinfo.aspx?info=课程记录已成功添加!");
}
}
