please correct for me the syntax

i want to transfer variables into the table, i am new in the c#


System.Data.SqlClient.SqlConnection conn = null;
conn = new System.Data.SqlClient.SqlConnection(ConfigurationManager.ConnectionStrings["Database1ConnectionString"].ConnectionString);
conn.Open();

System.Data.SqlClient.SqlCommand insertCommand = new System.Data.SqlClient.SqlCommand
("Insert into [Transfer] (ntransferID, nreference, cbranch, cfrom_tel, cfrom_name, cfrom_mother, cfrom_address, cto_name, cto_address, cto_tel, ccur Values (4, 2, @icbranch, @icfrom_tel, @icfrom_name, @icfrom_mother, @icfrom_address, @icto_name, @icto_address, @icto_tel, @iccur", conn);

insertCommand.Parameters.Add("@icbranch", lcbranch);
insertCommand.Parameters.Add("@icfrom_tel", lcfrom_tel);
....
insertCommand.ExecuteNonQuery();

i use the code in the c# help

thanks

ahmad zrein