Propiedad CommandType de ADO
❮ Referencia completa de objetos de comando
La propiedad CommandType establece o devuelve un valor CommandTypeEnum que define el tipo del objeto Command. El valor predeterminado es adCmdUnknown.
Si no especifica el tipo, ADO deberá ponerse en contacto con el proveedor para determinar el tipo de comando. Sin embargo, si especifica el tipo, ADO podrá procesar el comando más rápido.
Sintaxis
objcommand.CommandType
Ejemplo
<%
set conn=Server.CreateObject("ADODB.Connection")
conn.Provider="Microsoft.Jet.OLEDB.4.0"
conn.Open "c:/webdata/northwind.mdb"
set comm=Server.CreateObject("ADODB.Command")
comm.CommandText="orders"
comm.CommandType=adCmdTable
response.write(comm.CommandType)
conn.close
%>
Valores de CommandTypeEnum
Constant | Value | Description |
---|---|---|
adCmdUnspecified | -1 | Does not specify the command type argument. |
adCmdText | 1 | Evaluates CommandText as a textual definition of a command or stored procedure call. |
adCmdTable | 2 | Evaluates CommandText as a table name whose columns are all returned by an internally generated SQL query. |
adCmdStoredProc | 4 | Evaluates CommandText as a stored procedure name. |
adCmdUnknown | 8 | Default. Indicates that the type of command in the CommandText property is not known. |
adCmdFile | 256 | Evaluates CommandText as the file name of a persistently stored Recordset. Used with Recordset.Open or Requery only. |
adCmdTableDirect | 512 | Evaluates CommandText as a table name whose columns are all returned. Used with Recordset.Open or Requery only. To use the Seek method, the Recordset must be opened with adCmdTableDirect. This value cannot be combined with the ExecuteOptionEnum value adAsyncExecute. |
❮ Referencia completa de objetos de comando