title: removing null valued columns from dataset in asp .net
body: <p>I have a table which stores data with null valued columns for some entries .I want to retrieve only Not null data to the detail view. I tried the following </p>
  
  <pre><code>foreach(string strTableField in (objDataSet.Tables[0].Columns[i])) 
  {
      if(objDataSet.Tables[0].Columns[i].Equals(null))
      {
          objDataSet.Tables[0].Columns.Remove(strTableField);
         objDataSet.Tables[0].AcceptChanges();
      }
  
      i++;
  }
  </code></pre>
  
  <p>but it is giving error .. Pls help me reg this ...</p>