Hi gabaycom,
Refer below article.
iTextSharp: Generate PDF in Arabic, Persian (Farsi) and Urdu Language Characters in ASP.Net
Modified code with Hebrew language:
DataTable dt = new DataTable();
dt.Columns.AddRange(new DataColumn[2] { new DataColumn("Name"), new DataColumn("UrduName") });
dt.Rows.Add("India", "بھارت");
dt.Rows.Add("China", "چین");
dt.Rows.Add("Australia", "آسٹریلیا");
dt.Rows.Add("Nepal", "نیپال");
//Hebrew Language
dt.Rows.Add("Israel", "יִשְׂרָאֵל");
GridView1.DataSource = dt;
GridView1.DataBind();
Screenshot