How to show photos from folder to gridview based on FacultyName

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C#

My code as follows

protected void Page_Load(object sender, EventArgs e)
    {
        Lstfaculty.Items.Add("Raj");
        Lstfaculty.Items.Add("suresh");

        Lstfacid.Items.Add("1");
        Lstfacid.Items.Add("2");

        SetInitialRow();
    }

private void SetInitialRow()
    {

        DataTable dt = new DataTable();
        DataRow dr = null;
        dt.Columns.Add("Faculty Name", typeof(string));
        dt.Columns.Add("Faculty ID", typeof(string));
        dt.Columns.Add("Photo",typeof(string));
        for (int i = 0; i < Lstfaculty.Items.Count; i++)
        {
            dr = dt.NewRow();
            dr["Faculty Name"] = Lstfaculty.Items[i].Text.ToString();
            dt.Rows.InsertAt(dr, i);
        }
        for (int i = 0; i < dt.Rows.Count; i++)
        {
            dt.Rows[i]["Faculty ID"] = Lstfacid.Items[i].Text;
            gvfaculty.DataSource = dt;
            gvfaculty.DataBind();
        }
    }

When i execute my above code output as follows in Gridview

Faculty Name Faculty ID Photo

Raj 1
suresh 2


The above Raj and suresh images are stored in under E Folder Facultyimage.

in this Facultyimage folder(E Folder) the Raj and suresh images are there.

i want output as follows in gridview

when i click the Raj(Faculty Name) in the gridview, i want to display the Raj image in the Photo column in gridiview.

Similarily, when i click the suresh(Faculty Name) in the gridview, i want to display the suresh image in the Photo column in gridiview.



for that how can i do in asp.net using Csharp.

Regards,
Narasiman P.