EF练习
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2022-03-20 21:37:42
添加实体数据模型 下一步 下一步 添加web窗体 简单添加一个操作按钮 ......
添加实体数据模型
下一步
下一步
添加web窗体
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />
</div>
</form>
</body>
简单添加一个操作按钮
namespace WebApplication1
{
public partial class WebForm1 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
familySafetyFirecontrolSystemEntities context = new familySafetyFirecontrolSystemEntities();
TbUser user = new TbUser();
user.UserID = "001";
user.UserEmail = "xy@123.com";
user.UserName = "xy";
user.UserPassword = "123456";
user.UserPhone = "12345678901";
user.UserTypeID = "1";
context.TbUser.Add(user);//增加
// context.Entry<TbUser>(user).State = System.Data.EntityState.Added;//增加
// context.Entry<TbUser>(user).State = System.Data.EntityState.Deleted;//删除
// context.Entry<TbUser>(user).State = System.Data.EntityState.Modified//修改
context.SaveChanges();//保存到数据库
}
}
}
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