Project/Admin/Email/SendEmail.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using DAL;
using System.Data.SqlClient;

namespace Project.Admin.Email
{
    public partial class SendEmail : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (Session["UserId"] == null)
            {
                Response.Write("<script language=javascript>top.location.href='login.aspx'</script>");
            }
        }
        /// <summary>
        /// 发送邮件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnSend_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(this.txtContent.Text.Trim()))
            {
                MessageBox.Show(this, "请输入正文！");
                return;
            }
            SqlDataReader dr =
                DbHelperSQL.ExecuteReader("select * from T_User where UserName='" + this.txtRecName.Value.Trim() + "'");
            if (!dr.Read())
            {
                MessageBox.Show(this,"收件人不存在！");
                return;
            }

            string sql = "insert into Email(SendId,RecvId,Title,Content) values('" + Session["UserId"].ToString()
                                                                                  + "','" + dr["Id"].ToString()
                                                                                  + "','" + this.txtTitle.Value.Trim()
                                                                                  + "','" + this.txtContent.Text + "')";
            if (DbHelperSQL.ExecuteSql(sql) > 0)
            {
                MessageBox.ShowAndRedirect(this, "发送成功!", "SendEmail.aspx");
            }
            else
            {
                MessageBox.Show(this,"发送失败！");
            }
        }
    }
}