Multiline text box draggable issue in Firefox and others

Add
Style="resize: none" to the textbox

DataControls Auto Row Increment

 Gridview
  
<%# Container.DataItemIndex + 1 %>

DataGrid

<%# Container.DataSetIndex + 1 %>


 Repeater

<%# Container.ItemIndex + 1 %>

Data List

<%# Container.ItemIndex + 1 %>