how to use img src attribute using datatable variable value

Question

<img src=" '"' + [DOCLOC] + '"' " alt="" style="width: 155px;"/>

 

if (loop == 4)

{

contents = contents.Replace("[doc5]", dr["DocumentType"].ToString());

contents = contents.Replace("[uploadstatus5]", dr["DocumentType"].ToString() == "" ? "" : "Yes");

contents = contents.Replace("[DOCLOC]", dr["DocumentLocation"].ToString());

//contents = dr["DocumentLocation"].ToString();

//loop++;

}