CREATE PROCEDURE sp_AccountRole_Create

@CategoryID int,
@RoleName nvarchar(10),
@Description nvarchar(50),
@RoleID int output
AS
DECLARE @Count int

-- 查找是否有一样名称的记录
SELECT @Count = Count(RoleID) FROM Account_Role WHERE
RoleName = @RoleName

IF @Count = 0

INSERT INTO Account_Role
(CategoryID, RoleName, Description) valueS
(@CategoryID, @RoleName, @Description)

SET @RoleID = @@IDENTITY

RETURN 1
GO

SqlConnection DbConnection = new SqlConnection(mConnectionString);
SqlCommand command = new SqlCommand( \"sp_AccountRole_Create\", DbConnection );
DbConnection.Open(connectString);
// 废置SqlCommand的属性为存储过程
command.CommandType = CommandType.StoredProcedure;

command.Parameters.Add(\"@CategoryID\", SqlDbType.Int, 4);
command.Parameters.Add(\"@RoleName\", SqlDbType.NVarChar, 10);
command.Parameters.Add(\"@Description\", SqlDbType.NVarChar, 50);
command.Parameters.Add(\"@RoleID\", SqlDbType.Int, 4);
// 返回值
command.Parameters.Add(\"Returnvalue\",
SqlDbType.Int,
4, // Size
ParameterDirection.Returnvalue,
false, // is nullable
0, // byte precision
0, // byte scale
string.Empty,
DataRowVersion.Default,
null );

command.parameters[\"@CategoryID\"].value = permission.CategoryID;
command.parameters[\"@RoleName\"].value = permission.PermissionName;
command.parameters[\"@Description\"].value = permission.Description;
// 可以返回新的ID值
command.parameters[\"@RoleID\"].Direction = ParameterDirection.Output;

int rowsAffected = command.ExecuteNonQuery();
int result = command.parameters[\"Returnvalue\"].value;
int newID = command.parameters[\"@RoleID\"].value;