简单写了个前台:
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<br />
<asp:Button ID="Button1" runat="server" Text="登陆" OnClick="Button1_Click" />
<br />
<asp:Label ID="Label1" runat="server" Text=""></asp:Label>
后台: protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (Session["User"] == null)
Label1.Text = "你好";
}
}
protected void Button1_Click(object sender, EventArgs e)
{
if (!String.IsNullOrEmpty(TextBox1.Text.Trim()))
{
Session["User"] = TextBox1.Text;
Label1.Text = "你好," + TextBox1.Text;
}
}
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<br />
<asp:Button ID="Button1" runat="server" Text="登陆" OnClick="Button1_Click" />
<br />
<asp:Label ID="Label1" runat="server" Text=""></asp:Label>
后台: protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (Session["User"] == null)
Label1.Text = "你好";
}
}
protected void Button1_Click(object sender, EventArgs e)
{
if (!String.IsNullOrEmpty(TextBox1.Text.Trim()))
{
Session["User"] = TextBox1.Text;
Label1.Text = "你好," + TextBox1.Text;
}
}
解决方案 »
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