MyLesson/ServiceUser/Dept_Edit.aspx.cs

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

namespace MyLesson.ServiceUser
{
    public partial class Dept_Edit : UserForm
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            this.ValidateLogin();
            if (!this.IsPostBack)
            {
                this.txtDeptID.Text = Request.QueryString["DeptID"] + "";
                this.InitForm();
            }
        }
        
        public void InitForm()
        {
            if (this.txtDeptID.Text != "")
            {
                PRDataContext pr = new PRDataContext();
                this.txtDeptID.Enabled = false;
                Inf_Dept dept = pr.Inf_Dept.Where(s => s.DeptID == this.txtDeptID.Text).SingleOrDefault();
                if (dept != null)
                {
                    this.txtDeptID.Text = dept.DeptID;
                    this.txtDeptName.Text = dept.DeptName;
                    this.txtContent.Text = dept.Content;
                }
            }
        }

        protected void btnReturn_Click(object sender, EventArgs e)
        {
            Response.Redirect("Dept_List.aspx");
        }

        protected void btnOK_Click(object sender, EventArgs e)
        {
            PRDataContext pr = new PRDataContext();
            Inf_Dept dept = new Inf_Dept();
            if (!this.txtDeptID.Enabled)
                dept = pr.GetTable<Inf_Dept>().Where(s => s.DeptID == this.txtDeptID.Text).SingleOrDefault();
            if (dept != null)
            {
                dept.DeptID = this.txtDeptID.Text;
                dept.DeptName = this.txtDeptName.Text;
                dept.Content = this.txtContent.Text;
            }

            if (this.txtDeptID.Enabled)
            {
                pr.Inf_Dept.InsertOnSubmit(dept);
                this.ClearTextData(this);