ALTER PROCEDURE insert_customer
(
@customid [char] (10),
@customname [char] (10),
@customcharge [char] (10),
@customdesc [varchar] (100),
@customlevel [int]
)
AS
insert into [corporation].[dbo].[customer]
(
[CustomID],
[CustomName],
[CustomCharge],
[CustomDesc],
[CustomLevel]
)
values
(
@customid,
@customname,
@customcharge,
@customdesc,
@customlevel
)
RETURN

ALTER PROCEDURE update_customer
(
@customid [char] (10),
@oldcustomid [char] (10),
@customname [char] (10),
@customcharge [char] (10),
@customdesc [varchar] (100),
@customlevel [int]
)
AS
update [corporation].[dbo].[customer]

set
[CustomID] = @customid,
[CustomName] = @customname,
[CustomCharge] = @customcharge,
[CustomDesc] = @customdesc,
[CustomLevel] = @customlevel
where
(CustomID = @oldcustomid)
RETURN

 string strconn = Convert.ToString(ConfigurationManager.ConnectionStrings["ConnectionString"]);
  SqlConnection conn = new SqlConnection(strconn);

  conn.Open();
  SqlCommand cmd = new SqlCommand("insert_customer", conn);
  cmd.CommandType = CommandType.StoredProcedure;
  cmd.Parameters.Add(new SqlParameter("@customid", TextBox1.Text.Trim()));
  cmd.Parameters.Add(new SqlParameter("@customname", TextBox2.Text.Trim()));
  cmd.Parameters.Add(new SqlParameter("@customcharge", DropDownList1.Text.Trim()));
  cmd.Parameters.Add(new SqlParameter("@customdesc", TextBox3.Text.Trim()));
  cmd.Parameters.Add(new SqlParameter("@customlevel", DropDownList2.Text.Trim()));
  cmd.ExecuteNonQuery();
  Response.Redirect("Customers.aspx");

  conn.Close();