store array into sql table.

i want to store string into my sql table name:Sentence and my code is:

 

protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e, GridViewRowEventArgs e1)      
   {           
  if (e.CommandName == "click")           
  {                 
int _myColumnIndex1 = 0;                   
string text = e1.Row.Cells[_myColumnIndex1].Text;                 
  String[] sentences = Regex.Split(text, @"(?<=[.!?])\s+(?=\p{Lt})");               
 }      
   }