How to Truncate Data in c#

Question

  Hi All,

 

 iam using  Button Control When User Click the Button only Records is Erase in Table  in the Below My Script  where iam doing Wrong Let me Know.

sql connction con = new sql connction ("Data Source=sys2;Initial Catalog=MuraliIIT;User ID=sa;Password=rits@1234");
string s = "Truncate Table TableName";
sqladapter da = new sql Adapter(s,con);
Dataset ds = new Dataset ();
da.fill(ds,"TableName");