title: URI formats are not supported in c#
body: <p>I am trying to insert my data in to xml file. the xml file location 
      path: <code>http://AutoCompleteInGridView%20new1/Design/Pro/pricelist.xml</code>.
      when inserting my data i got error <code>URI formats are not supported</code>.
      It shows argument exception was unhandled.I want to save my xml 
      file in <code>server system</code>.these url belongs to ServerPath location.
      can anyone give me a suggestion or links to solve these problem. </p>
  
  <p>here is the error:</p>
  
  <p><img src="https://i.stack.imgur.com/5vHRM.png" alt="enter image description here"></p>