String Builder
string.Format("Text: {0}", "Get Object from Here")
string.Format("Text: {0} - {1}", "Get {0} Object from Here", "Get {1} object from here")
using System.Text;//NameSpace
StringBuilder sb = new StringBuilder();
sb.AppendFormat(GetResponse);
//To Add this string to a Placholder
PlaceholderID.Controls.Add(new LiteralControl(sb.ToString()));//Namespace - using System.Web.UI;
sb.AppendFormat(Environment.NewLine);