c# - No data insertion (message: insertion successful) -

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        private void isave_itemclick(object sender, devexpress.xtrabars.itemclickeventargs e)     {         using (sqlconnection conn = new sqlconnection(connection.con))         {                             conn.open();                                using (sqlcommand cmd = new sqlcommand(@"insert [city] (name) values (@name)", conn))                 {                     cmd.parameters.addwithvalue("@name", city.text.tolower());                                             messagebox.show(city.text);                     messagebox.show("insertion successful");                 }                  using (sqlcommand cmd = new sqlcommand(@"insert [state] (name) values (@name)", conn))                 {                     cmd.parameters.addwithvalue("@name", state.text.tolower());                     messagebox.show("insertion successful");                 }             conn.close();          }     }

program not inserting, rows in database tables empty , i'm getting messages insertion successful. please help. thanks.

you fail execute query - take at

https://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqlcommand.executenonquery(v=vs.110).aspx

i.e. you're missing 

cmd.executenonquery();

call.

... cmd.parameters.addwithvalue("@name", city.text.tolower());  cmd.executenonquery();                        ...

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