XKsystem/ycourse_selection.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;

namespace XKsystem
{
    public partial class course_selection : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                tbcz();
                cx();
            }
        }
        protected void tbcz()
        {
            TextBox2.Text = Session["name"].ToString();
            TextBox1.Text = Session["ID"].ToString();
            Session.Remove("name");
            Session.Remove("ID");
        }
        protected void cx()
        {
            int id = int.Parse(TextBox1.Text);
            GridView1.DataSource = BLL.Class1.kxzx(id);
            GridView1.DataBind();

            for (int i = 0; i < GridView1.Rows.Count; i++)
            {
                if (Convert.ToString(GridView1.Rows[i].Cells[0].Text) == "True"|| Convert.ToString(GridView1.Rows[i].Cells[0].Text) == "选择课程")
                {
                    GridView1.Rows[i].Cells[0].Text = "已选课";
                }
                else
                {
                    GridView1.Rows[i].Cells[0].Text = "未选课";
                }
            }

            for (int i = 0; i < GridView1.Rows.Count; i++)
            {
                if (Convert.ToString(GridView1.Rows[i].Cells[1].Text) == "True" || Convert.ToString(GridView1.Rows[i].Cells[1].Text) == "选择课程")
                {
                    GridView1.Rows[i].Cells[1].Text = "已选课";
                }
                else
                {
                    GridView1.Rows[i].Cells[1].Text = "未选课";
                }
            }

            for (int i = 0; i < GridView1.Rows.Count; i++)
            {
                if (Convert.ToString(GridView1.Rows[i].Cells[2].Text) == "True" || Convert.ToString(GridView1.Rows[i].Cells[2].Text) == "选择课程")
                {