后台:
public partial class Update : System.Web.UI.Page { private TextDataContext context = new TextDataContext(); protected void Page_Load(object sender, EventArgs e) { if (Session["uid"] != null) { if (!IsPostBack) { //给民族下拉列表绑定数据 drNation.DataSource = context.Nation; drNation.DataTextField = "Name"; drNation.DataValueField = "Code"; drNation.DataBind(); //取主键值 string code = Request["code"].ToString(); //查数据库 Info data = context.Info.Where(p => p.Code == code).First(); //填上数据 txtCode.Text = data.Code; txtName.Text = data.Name; txtBirthday.Text = data.Birthday.Value.ToString("yyyy年MM月dd日"); if (data.Sex == true) { rdnan.Checked = true; } else { rdnv.Checked = true; } foreach( ListItem item in drNation.Items ) { if(item.Value == data.Nation) { item.Selected = true; } } } } else { Response.Redirect("Denglu.aspx"); } } protected void Button1_Click(object sender, EventArgs e) { //查到这条数据 Info data = context.Info.Where(p => p.Code == txtCode.Text).First(); //修改内容 data.Name = txtName.Text; data.Sex = rdnan.Checked; data.Nation = drNation.SelectedValue; data.Birthday = Convert.ToDateTime(txtBirthday.Text); //提交 context.SubmitChanges(); } protected void Button2_Click(object sender, EventArgs e) { Response.Redirect("Main.aspx"); }
时间: 2024-09-30 06:33:58