ucsendsinglemsg.ascx.cs

在线 图书网上购物系统

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;

public partial class UserControls_ucSendSingleMSG : System.Web.UI.UserControl
{
    private static string ReceiverList = String.Empty;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            ReceiverList = String.Empty;
            string id = Session["LoginID"].ToString();
            int departmentid = TeacherStudent.GetDepartmentIDByUserID(id);
            DataTable dt = TeacherStudent.GetStudentsInDepartment(departmentid);
            this.blStudents.DataSource = dt;
            this.blStudents.DataTextField = "Name";
            this.blStudents.DataValueField = "StudentID";
            this.blStudents.DataBind();
            dt = TeacherStudent.GetTeachersInDepartment1(departmentid);
            this.blTeachers.DataSource = dt;
            this.blTeachers.DataTextField = "Name";
            this.blTeachers.DataValueField = "TeacherID";
            this.blTeachers.DataBind();
        }
    }
   
    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        string[] list = (ReceiverList.Trim()).Split(' ');
        Message msg = new Message();
        bool flag = true;
        for (int i = 0; i < list.Length; i++)
        {
            msg.Context = this.WebEditor1.Text;
            msg.DateTime = DateTime.Now;
            msg.IDFrom = Session["LoginID"].ToString();
            msg.IDTo = list[i];
            msg.IsRead = false;
            if (Message.InsertMessage(msg) == -100)
            {
                flag = false;
                break;
            }
        }
        if (flag == true)
        {
            this.lbMsg.Text = "发送成功";
        }
        else
        {
            this.lbMsg.Text = "发送失败";
        }

    }
    protected void blTeachers_Click(object sender, BulletedListEventArgs e)
    {
        this.tbReceivers.Text += " " + this.blTeachers.Items[e.Index].Text.Trim();
        ReceiverList += " " + this.blTeachers.Items[e.Index].Value.Trim();
    }
    protected void blStudents_Click(object sender, BulletedListEventArgs e)
    {
        this.tbReceivers.Text += " " + this.blStudents.Items[e.Index].Text.Trim();
        ReceiverList += " " + this.blStudents.Items[e.Index].Value.Trim();
    }
}