Open page when badge notification icon is Clicked in ASP.Net

Hi makumbi,

Please refer below sample.

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css" />
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script type="text/javascript" src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/js/bootstrap.min.js"></script>
<div class="container">
    <asp:ScriptManager ID="ScriptManager1" runat="server">
    </asp:ScriptManager>
    <table class="auto-style1">
        <tr>
            <td class="auto-style5">
                <asp:UpdatePanel ID="UpdatePanel2" runat="server">
                    <ContentTemplate>
                        <button class="btn btn-default btn-lg btn-link" style="font-size: 36px; width: 74px; height: 15px;">
                            <asp:LinkButton ID="lnkCountered" runat="server" Text="Good" class="badge badge-notify" Height="19px" Width="28px" OnClick="Button1_Click">3</asp:LinkButton>
                            <span class="glyphicon glyphicon-comment" style="left: -65px; top: -5px; width: 9px"></span>
                        </button>
                        <br />
                        <br />
                        Home Work<br />
                    </ContentTemplate>
                </asp:UpdatePanel>
            </td>
        </tr>
    </table>
</div>

<table cellpadding="2" class="auto-style1">
    <tr>
        <td class="auto-style3">Student Name</td>
        <td class="auto-style3">
            <asp:Label ID="StudentName" runat="server" Text="Label"></asp:Label>
        </td>
        <td class="auto-style3">Account</td>
        <td class="auto-style3">
            <asp:Label ID="Account" runat="server" Text="Label"></asp:Label>
        </td>
        <td class="auto-style3">Class</td>
        <td class="auto-style3">
            <asp:Label ID="Classr" runat="server" Text="Label"></asp:Label>
        </td>
        <td class="auto-style3">
            <asp:Label ID="Stream" runat="server" Text="Label"></asp:Label>
        </td>
        <td class="auto-style3">Subject</td>
        <td class="auto-style3">
            <asp:DropDownList ID="SubjectData" runat="server" Height="23px" Width="215px">
            </asp:DropDownList>
        </td>
        <td class="auto-style3">
            <asp:Button ID="Button1" runat="server" Text="SignOut" />
        </td>
    </tr>
    <tr>
        <td class="auto-style10" colspan="10">
            <asp:UpdatePanel ID="UpdatePanel1" runat="server">
                <ContentTemplate>
                    <asp:GridView ID="StudentGrid" runat="server" AutoGenerateColumns="False" Width="1248px" CssClass="auto-style2">
                        <Columns>
                            <asp:BoundField DataField="CompanyName" HeaderText="CompanyName" />
                            <asp:BoundField DataField="ContactName" HeaderText="ContactName" />
                            <asp:BoundField DataField="City" HeaderText="City" />
                            <asp:BoundField DataField="Country" HeaderText="Country" />
                            <asp:TemplateField ItemStyle-HorizontalAlign="Center">
                                <ItemTemplate>
                                    <asp:LinkButton ID="lnkView" runat="server" CommandArgument='<%# Eval("CustomerID") %>' OnClick="View" Text="View"></asp:LinkButton>
                                </ItemTemplate>
                                <ItemStyle HorizontalAlign="Center" />
                            </asp:TemplateField>
                        </Columns>
                    </asp:GridView>
                </ContentTemplate>
                <Triggers>
                    <asp:PostBackTrigger ControlID="StudentGrid" />
                </Triggers>
            </asp:UpdatePanel>
        </td>
    </tr>
    <tr>
        <td class="auto-style2">&nbsp;</td>
        <td class="auto-style2">&nbsp;</td>
        <td class="auto-style2">&nbsp;</td>
        <td class="auto-style2">&nbsp;</td>
        <td class="auto-style2">&nbsp;</td>
        <td colspan="5" class="auto-style2">&nbsp;</td>
    </tr>
</table>

Namespaces

C#

using System.IO;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;

VB.Net

Imports System.IO
Imports System.Data
Imports System.Data.SqlClient

Code

C#

private string constr = "Data Source=.\\SQL2019;DataBase=northwind;UID=sa;PWD=PASSWORD";
protected void Page_Load(object sender, System.EventArgs e)
{
    if (!this.IsPostBack)
    {
        using (SqlConnection con = new SqlConnection(constr))
        {
            using (SqlCommand cmd = new SqlCommand("SELECT ProductID, ProductName FROM Products"))
            {
                cmd.CommandType = CommandType.Text;
                cmd.Connection = con;
                con.Open();
                SubjectData.DataSource = cmd.ExecuteReader();
                SubjectData.DataTextField = "ProductName";
                SubjectData.DataValueField = "ProductID";
                SubjectData.DataBind();
                con.Close();
            }
        }
        SubjectData.Items.Insert(0, new ListItem("--Select Subject--", "0"));
        BindGrid();
    }
}

private void BindGrid()
{
    string constr = "Data Source=.\\SQL2019;DataBase=northwind;UID=sa;PWD=PASSWORD";
    using (SqlConnection con = new SqlConnection(constr))
    {
        using (SqlCommand cmd = new SqlCommand())
        {
            cmd.Parameters.AddWithValue("@CustomerID", Classr.Text);
            cmd.CommandText = "SELECT CustomerID,CompanyName,ContactName,City,Country FROM Customers where CustomerID=@CustomerID";
            cmd.Connection = con;
            con.Open();
            StudentGrid.DataSource = cmd.ExecuteReader();
            StudentGrid.DataBind();
            con.Close();
        }
    }
}

protected void View(object sender, EventArgs e)
{
}

public void ProcessRequest2(int id, HttpContext context)
{
    byte[] bytes;
    string fileextension;
    string constr = "Data Source=.\\SQL2019;DataBase=northwind;UID=sa;PWD=PASSWORD";
    using (SqlConnection con = new SqlConnection(constr))
    {
        using (SqlCommand cmd = new SqlCommand())
        {
            cmd.CommandType = CommandType.Text;
            cmd.Connection = con;
            con.Open();
            cmd.Parameters.AddWithValue("@Id", id);
            cmd.CommandText = "SELECT Name, Data, ContentType FROM tblFiles WHERE Id=@Id";
            using (SqlDataReader sdr2 = cmd.ExecuteReader())
            {
                sdr2.Read();
                bytes = (byte[])sdr2["Data"];
                fileextension = sdr2["Name"].ToString();
            }
            con.Close();
        }
    }
    context.Response.Buffer = true;
    context.Response.Charset = "";
    context.Response.Cache.SetCacheability(HttpCacheability.NoCache);
    if (fileextension.Substring(fileextension.IndexOf('.') + 1).ToLower() == "pdf")
    {
        context.Response.Buffer = true;
        context.Response.Charset = "";
        context.Response.Cache.SetCacheability(HttpCacheability.NoCache);
        context.Response.ContentType = "application/pdf";
        context.Response.BinaryWrite(bytes);
        context.Response.Flush();
        context.Response.End();
    }
    else if (fileextension.Substring(fileextension.IndexOf('.') + 1).ToLower() == "doc" || fileextension.Substring(fileextension.IndexOf('.') + 1).ToLower() == "docx")
    {
        File.WriteAllBytes(Server.MapPath(Convert.ToString("~/Temp/") + fileextension), bytes);
        WriteWordFile(Server.MapPath(Convert.ToString("~/Temp/") + fileextension));
    }
}
private void WriteWordFile(object filePath)
{
}

protected void Button1_Click(object sender, EventArgs e)
{
    ScriptManager.RegisterStartupScript(this,this.GetType(), "alert", "alert('You are get to the next Page')", true);
}

VB.Net

Private constr As String = "Data Source=.\SQL2019;DataBase=northwind;UID=sa;PWD=PASSWORD"
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
    If Not Me.IsPostBack Then
        Using con As SqlConnection = New SqlConnection(constr)
            Using cmd As SqlCommand = New SqlCommand("SELECT ProductID, ProductName FROM Products")
                cmd.CommandType = CommandType.Text
                cmd.Connection = con
                con.Open()
                SubjectData.DataSource = cmd.ExecuteReader()
                SubjectData.DataTextField = "ProductName"
                SubjectData.DataValueField = "ProductID"
                SubjectData.DataBind()
                con.Close()
            End Using
        End Using

        SubjectData.Items.Insert(0, New ListItem("--Select Subject--", "0"))
        Account.Text = Session("CompanyName").ToString()
        StudentName.Text = Session("ContactName").ToString()
        Classr.Text = Session("City").ToString()
        Stream.Text = Session("Country").ToString()
        BindGrid()
    End If
End Sub

Private Sub BindGrid()
    Dim constr As String = "Data Source=.\SQL2019;DataBase=northwind;UID=sa;PWD=PASSWORD"
    Using con As SqlConnection = New SqlConnection(constr)
        Using cmd As SqlCommand = New SqlCommand()
            cmd.Parameters.AddWithValue("@CustomerID", Classr.Text)
            cmd.CommandText = "SELECT CustomerID,CompanyName,ContactName,City,Country FROM Customers where CustomerID=@CustomerID"
            cmd.Connection = con
            con.Open()
            StudentGrid.DataSource = cmd.ExecuteReader()
            StudentGrid.DataBind()
            con.Close()
        End Using
    End Using
End Sub

Protected Sub View(ByVal sender As Object, ByVal e As EventArgs)

End Sub

Public Sub ProcessRequest2(ByVal id As Integer, ByVal context As HttpContext)
    Dim bytes As Byte()
    Dim fileextension As String
    Dim constr As String = "Data Source=.\SQL2019;DataBase=northwind;UID=sa;PWD=PASSWORD"
    Using con As SqlConnection = New SqlConnection(constr)
        Using cmd As SqlCommand = New SqlCommand()
            cmd.CommandType = CommandType.Text
            cmd.Connection = con
            con.Open()
            cmd.Parameters.AddWithValue("@Id", id)
            cmd.CommandText = "SELECT Name, Data, ContentType FROM tblFiles WHERE Id=@Id"
            Using sdr2 As SqlDataReader = cmd.ExecuteReader()
                sdr2.Read()
                bytes = CType(sdr2("Data"), Byte())
                fileextension = sdr2("Name").ToString()
            End Using
            con.Close()
        End Using
    End Using

    context.Response.Buffer = True
    context.Response.Charset = ""
    context.Response.Cache.SetCacheability(HttpCacheability.NoCache)

    If fileextension.Substring(fileextension.IndexOf("."c) + 1).ToLower() = "pdf" Then
        context.Response.Buffer = True
        context.Response.Charset = ""
        context.Response.Cache.SetCacheability(HttpCacheability.NoCache)
        context.Response.ContentType = "application/pdf"
        context.Response.BinaryWrite(bytes)
        context.Response.Flush()
        context.Response.[End]()
    ElseIf fileextension.Substring(fileextension.IndexOf("."c) + 1).ToLower() = "doc" OrElse fileextension.Substring(fileextension.IndexOf("."c) + 1).ToLower() = "docx" Then
        File.WriteAllBytes(Server.MapPath(Convert.ToString("~/Temp/") & fileextension), bytes)
        WriteWordFile(Server.MapPath(Convert.ToString("~/Temp/") & fileextension))
    End If
End Sub

Private Sub WriteWordFile(ByVal filePath As Object)
End Sub

Protected Sub Button1_Click(ByVal sender As Object, ByVal e As EventArgs)
    ScriptManager.RegisterStartupScript(Me, Me.GetType(), "alert", "alert('You are get to the next Page')", True)
End Sub

Screenshot