title: How to Insert string in another string in visual basic
body: <p>the following code shows invalid qualifier when executed</p>
  
  <pre><code>Dim strs As String
  Dim insStr As String
  Dim strRes As String
  
  strs = "This is VB.NET Test"
  insStr = "Insert"
  strRes = strs.Insert(insStr) 
  </code></pre>