先看代码:protected void DetailsView1_ItemInserting(object sender, DetailsViewInsertEventArgs e)
{
users u = new users();
TextBox tx = (TextBox)DetailsView1.FindControl("TextBox1");
TextBox txtpwd = (TextBox)DetailsView1.FindControl("TextBox4");
TextBox txtip = (TextBox)DetailsView1.FindControl("TextBox5");
txtip.Text = Page.Request.UserHostAddress.Trim();
u.username = tx.Text.Trim();
u.userpassword = txtpwd.Text.Trim();
u.user_ip = txtip.Text.Trim();
DropDownList userclass = (DropDownList)DetailsView1.FindControl("DropDownList4");
u.user_class =int.Parse(userclass.SelectedValue.Trim());
DropDownList qx = (DropDownList)DetailsView1.FindControl("DropDownList3");
u.user_qx_id = int.Parse(qx.SelectedValue.Trim());
DropDownList ju = (DropDownList)DetailsView1.FindControl("DropDownList8");
u.j_id = int.Parse(ju.SelectedValue.Trim());
if (usersBLL.Insert(u))
{
Response.Write("<script>alert('添加成功');top.location='userslist.aspx';</script>");
}
else
{
Response.Write("<script>alert('用户已存在');top.location='userslist.aspx';</script>");
return;
}
}
我插入一条用户名相同的数据,弹出对话框 “用户已存在”,应该是弹出对话框后就完了,
但是弹出 “用户已存在” 后程序为什么会继续走,而且最后还把数据插入进去了???(调试看的)求解~~~~~~~~~~~~~~
实在不明白~~~
{
users u = new users();
TextBox tx = (TextBox)DetailsView1.FindControl("TextBox1");
TextBox txtpwd = (TextBox)DetailsView1.FindControl("TextBox4");
TextBox txtip = (TextBox)DetailsView1.FindControl("TextBox5");
txtip.Text = Page.Request.UserHostAddress.Trim();
u.username = tx.Text.Trim();
u.userpassword = txtpwd.Text.Trim();
u.user_ip = txtip.Text.Trim();
DropDownList userclass = (DropDownList)DetailsView1.FindControl("DropDownList4");
u.user_class =int.Parse(userclass.SelectedValue.Trim());
DropDownList qx = (DropDownList)DetailsView1.FindControl("DropDownList3");
u.user_qx_id = int.Parse(qx.SelectedValue.Trim());
DropDownList ju = (DropDownList)DetailsView1.FindControl("DropDownList8");
u.j_id = int.Parse(ju.SelectedValue.Trim());
if (usersBLL.Insert(u))
{
Response.Write("<script>alert('添加成功');top.location='userslist.aspx';</script>");
}
else
{
Response.Write("<script>alert('用户已存在');top.location='userslist.aspx';</script>");
return;
}
}
我插入一条用户名相同的数据,弹出对话框 “用户已存在”,应该是弹出对话框后就完了,
但是弹出 “用户已存在” 后程序为什么会继续走,而且最后还把数据插入进去了???(调试看的)求解~~~~~~~~~~~~~~
实在不明白~~~
public static bool Insert(users users)
{
users u = SearchByUserName(users.username);
if (u != null)
return false;
return AddUser(users);
}跟那个没关系吧?
2. 不知道usersBLL.Insert的内部代码,所以我们只能猜测usersBLL.Insert内部有问题
usersBLL.Insert代码在上面啊~~
public static bool Insert(users users)
{
users u = SearchByUserName(users.username);
if (u != null){
return false;}
return AddUser(users);
}
{
//如果验证不通过
e.Cancel = true;//取消当前的插入操作
}
和
如梦哥 e.Cancel = true;2个都可以 ~~ 谢谢所有参与的朋友~~~~我怎么没想到取消当前的操作
结贴了~~
不设置默认就是 true