SIMPLE LOGIN
DEMO
Html Coding
<html xmlns="http://www.w3.org/1999/xhtml">
C# Coding
protected void Button1_Click(object sender, EventArgs e)
Html Coding
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<table>
<tr><td>
<asp:Label ID="Label1" runat="server" Text="UserName"></asp:Label>
</td><td>
<asp:TextBox ID="txtUsername" runat="server"></asp:TextBox>
</td></tr>
<tr><td>
<asp:Label ID="Label2" runat="server" Text="Password"></asp:Label>
</td><td>
<asp:TextBox ID="txtPassword" runat="server"></asp:TextBox>
</td></tr>
<tr><td colspan ="2">
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Login" />
</td></tr>
</table>
</div>
</form>
</body>
</html>
protected void Button1_Click(object sender, EventArgs e)
{
dbcon();
query = "select username,password from register where
username='"+txtUsername .Text+"' and password='"+txtPassword .Text+"'";
cmd = new SqlCommand(query, con);
adp = new SqlDataAdapter(cmd);
ds = new DataSet();
adp.Fill(ds);
rd = cmd.ExecuteReader();
if (rd.Read())
{
Response.Redirect("homepage.aspx");
}
else
{
Response.Write("<script>alert('Invalid Username or Password')</script>");
}
}
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