createstudents.ascx.cs

学生成绩管理系统

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Collections.Generic;
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 TeachHelper.BusinessLogicLayer;
using TeachHelper.Comm;

public partial class TeachHelper_Controls_CreateStudents : System.Web.UI.UserControl
{

    #region 事件处理

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            BindYears();
            BindClasses();

            DataSet ds = Department.GetCollect();
            this.DropDownListDepartment.DataSource = ds;
            this.DropDownListDepartment.DataTextField = "Name";
            this.DropDownListDepartment.DataValueField = "Id";
            this.DropDownListDepartment.DataBind();

            DropDownListDepartment_SelectedIndexChanged(DropDownListDepartment, null);
        }
    }

    protected void DropDownListDepartment_SelectedIndexChanged(object sender, EventArgs e)
    {
        int departmentId = Convert.ToInt32(((DropDownList)(sender)).SelectedValue);
        DataSet ds = Major.GetCollectByDepartmentId(departmentId);
        this.DropDownListMajor.DataSource = ds;
        this.DropDownListMajor.DataTextField = "Name";
        this.DropDownListMajor.DataValueField = "Id";
        this.DropDownListMajor.DataBind();
    }

    protected void ButtonMakeStudentId_Click(object sender, EventArgs e)
    {
        string year = this.DropDownListYears.SelectedValue;
        string department = Convert.ToInt32(this.DropDownListDepartment.SelectedValue).ToString("000");
        string major = Convert.ToInt32(this.DropDownListMajor.SelectedValue).ToString("000");
        string classes = Convert.ToInt32(this.DropDownListClass.SelectedValue).ToString("000");
        string studentId = string.Format("{0}{1}{2}{3}{4}", year, department, major, classes, "***");
        this.LabelStudentId.Text = studentId;

        this.ButtonFinish.Enabled = true;
    }

    protected void ButtonFinish_Click(object sender, EventArgs e)
    {
        this.LabelCreateStatus.Text = string.Empty;
        CreateStudentUser();
    }

    #endregion

    #region 私有 & 保护方法

    private void CreateStudentUser()
    {
        int beginSeat = Convert.ToInt32(this.TextBoxBeginSeat.Text.Trim());
        int endSeat = Convert.ToInt32(this.TextBoxEndSeat.Text.Trim());

        string year = this.DropDownListYears.SelectedValue;
        string department = Convert.ToInt32(this.DropDownListDepartment.SelectedValue).ToString("000");
        string major = Convert.ToInt32(this.DropDownListMajor.SelectedValue).ToString("000");
        string classes = Convert.ToInt32(this.DropDownListClass.SelectedValue).ToString("000");
        string studentId = string.Format("{0}{1}{2}{3}", year, department, major, classes);
        string seat = String.Empty;
        string username = String.Empty;
        string password = this.TextBoxPassword.Text;
        string email = String.Empty;
        string passwordQuestion = this.TextBoxPasswordQuestion.Text;
        string passwordAnswer = this.TextBoxPasswordAnswer.Text;

        MembershipCreateStatus status = new MembershipCreateStatus();

        for (int i = beginSeat; i <= endSeat; i++)
        {
            seat = i.ToString("000");
            username = studentId + seat;
            email = username + @"@gdqy.edu.cn";
            try
            {
                Membership.CreateUser(username, password, email, passwordQuestion, passwordAnswer, true, out status);
                this.LabelCreateStatus.Text = "创建成功！";
                Roles.AddUserToRole(username, "学生");
            }
            catch (Exception ex)
            {
                this.LabelCreateStatus.Text = "创建失败！";
            }
        }
    }

    private void BindYears()
    {
        List<int> listYears = OtherData.Years();
        this.DropDownListYears.DataSource = listYears;
        this.DropDownListYears.DataBind();
    }

    private void BindClasses()
    {
        List<int> listClasses = OtherData.Classes();
        this.DropDownListClass.DataSource = listClasses;
        this.DropDownListClass.DataBind();
    }


    #endregion

}