6.20 LceGetFieldDataLength
Retrieves the data length for the field's current value.
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BOOL |
LceGetFieldDataLength |
(int |
iSession, |
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|
|
char far * |
strFieldName, |
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|
|
FLDLEN far * |
pLength ) |
Parameters
|
iSession |
The session identifier as returned by LceGetSessionId. |
|
strFieldName |
The field name. The field must have been declared using an LceUseField function. |
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pLength |
Pointer to the variable to receive the field length. This indicates the number of characters or digits. |
Return Values
TRUE is returned if the session has got the field data length.
FALSE is returned if an error occurs.
Notes
- This function performs no communications to the host.
- This function must be executed after the session is opened.
- If the field is currently *SQLNULL, the length will be returned as zero.
Related Functions