How to add same server side script in asp.net on all pages?

Question

I got this script from a developer to put it on my website for changing the phone numbers dynamically.

    <script runat="server">
        public string getPhoneNumber()
        {
            string strPhone = "";
            if (!(Session["Phone"] == null))
            {
                strPhone = Session["Phone"].ToString();
            }
            else
            {
                searchphone.GetPhone obj = new searchphone.GetPhone();
                string strURL = HttpContext.Current.Request.Url.AbsolutePath;

                if (Request.QueryString["s"] != null && Request.QueryString["P"] != null)
                    strPhone = obj.GetPhoneNumber(Request.QueryString["s"], Request.QueryString["p"]);

                if (!string.IsNullOrEmpty(strPhone))
                    Session["Phone"] = strPhone;
                else
                    strPhone = obj.GetPhoneNumber(strURL);
            }
            return strPhone;
        }
    </script>

Logic is in a dll file and there is a namespace also which needs to be included on every page. Code is working fine.

But my problem is he has asked me to put this script on every page manually. Also its not working when I put the script and import the namespace on the master page and want to use the getphonenumber method(<% =getPhoneNumber() %>) on the content pages to track and change the phone number based on user sessions.

The objective for this code is to track the users and display the phone number based on that. And i want to include this script once globally so every page can access it and use its getphonenumber method. Thanks.

this is C# code, why dont you move it to an assembly and reference that assembly? — NoviceProgrammer
– NoviceProgrammer, Commented Jan 15, 2014 at 9:05
Why don't you use a public class and make this method public static? Then you can access it from everywhere. You don't need an instance of the page anyway. You can get all objects like Session or Request via HttpContext.Current. — Tim Schmelter
– Tim Schmelter, Commented Jan 15, 2014 at 9:07

RononDex · Accepted Answer · 2014-01-15 10:27:40Z

1

One way to do this is to place this function on the masterpage. Then access the function on your page.

Masterpage:

public string getPhoneNumber()
{
    string strPhone = "";
    if (!(Session["Phone"] == null))
    {
        strPhone = Session["Phone"].ToString();
    }
    else
    {
        searchphone.GetPhone obj = new searchphone.GetPhone();
        string strURL = HttpContext.Current.Request.Url.AbsolutePath;

        if (Request.QueryString["s"] != null && Request.QueryString["P"] != null)
            strPhone = obj.GetPhoneNumber(Request.QueryString["s"], Request.QueryString["p"]);

        if (!string.IsNullOrEmpty(strPhone))
            Session["Phone"] = strPhone;
        else
            strPhone = obj.GetPhoneNumber(strURL);
    }
    return strPhone;
}

Page

<%= ((MasterPageType)this.Master).getPhoneNumber() %>

Where MasterPageType is the type name of your master page.

Another way to achieve this is by creating a static class (new file):

Static class

public static class SessionTools
{
    public static string getPhoneNumber()
    {
        string strPhone = "";
        if (!(HttpContext.Current.Session["Phone"] == null))
        {
            strPhone = HttpContext.Current.Session["Phone"].ToString();
        }
        else
        {
            searchphone.GetPhone obj = new searchphone.GetPhone();
            string strURL = HttpContext.Current.Request.Url.AbsolutePath;

            if (HttpContext.Current.Request.QueryString["s"] != null && HttpContext.Current.Request.QueryString["P"] != null)
                strPhone = obj.GetPhoneNumber(HttpContext.Current.Request.QueryString["s"], HttpContext.Current.Request.QueryString["p"]);

            if (!string.IsNullOrEmpty(strPhone))
                HttpContext.Current.Session["Phone"] = strPhone;
            else
                strPhone = obj.GetPhoneNumber(strURL);
        }
        return strPhone;
    }
}

Page

<%= SessionTools.getPhoneNumber() %>

edited Jan 15, 2014 at 10:27

answered Jan 15, 2014 at 9:13

RononDex

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13 Comments

Gaurav Nanda Over a year ago

hi, thanks for your reply. But i am not an expert in asp.net. Could you please elaborate the masterpagetype part?

RononDex Over a year ago

What's the name of your master page? Do you have a code behind (.cs) file for you masterpage?

Gaurav Nanda Over a year ago

Its LandingPage.master. Yeah i have a code behind .cs file also.

RononDex Over a year ago

Then you should use <%= ((LandingPage)this.Master).getPhoneNumber() %>

Gaurav Nanda Over a year ago

Its showing a red squiggly line under LandingPage. On hovering its shows this error "The type or namespace name 'LandingPage' could not be found(are you missing a using directive or an assembly reference?)"

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