teacherstudent.cs

在线 图书网上购物系统

using System;
using System.Data;
using System.Configuration;
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.Common;

/// <summary>
/// TeacherStudent 的摘要说明
/// </summary>
public class TeacherStudent
{
	public TeacherStudent()
	{
		//
		// TODO: 在此处添加构造函数逻辑
		//
	}
    public static int GetDepartmentIDByUserID(string id)
    {
        int did = -1;
        string sql = "select departmentid from View_DepartmentUserID where " +
            " ID='" + id + "'";
        DbDataReader ddr = DataAccess.ExecuteDataReader(sql);
        if(ddr.Read())
        {
            did = ddr.GetInt32(0);
        }
        ddr.Close();
        return did;
    }



    public static DataTable GetTeachersInDepartment1(int departmentid)
    {
        DataTable dt = null;
        string sql = "select name,teacherid from teacher where departmentid=" + departmentid;
        dt = DataAccess.ExecuteDataTable(sql);
        return dt;
    }
    public static DataTable GetStudentsInDepartment(int departmentid)
    {
        DataTable dt = null;
        string sql = "select name,studentid from student where departmentid=" + departmentid;
        dt = DataAccess.ExecuteDataTable(sql);
        return dt;
    }


    public static DbDataReader GetTeachersInDepartment(int departmentid)
    {
        DbDataReader ddr = null;
        string sql = "select name,teacherid from teacher where departmentid=" + departmentid;
        ddr = DataAccess.ExecuteDataReader(sql);
        return ddr;
    }
    public static DbDataReader GetPapersByTeacherID(string teacherid)
    {
        DbDataReader ddr = null;
        string sql = "select * from CandidatePaper where teacherid = '" + teacherid + "'";
        return DataAccess.ExecuteDataReader(sql);
    }

    public static DataTable GetTeachersTableInDepartment(int departmentid)
    {
        string sql = "select Name,TeacherID from teacher where departmentid=" + departmentid;
        return DataAccess.ExecuteDataTable(sql);
    }

    public static string GetTeacherNameByID(string teacherid)
    {
        Teacher teacher = Teacher.GetTeacher(teacherid);
        return teacher.TName;
        
    }

}