MyDAC

TDAParam Members

TDAParam class overview.

Properties

Name Description

AsBlob

Used to set and read the value of the BLOB parameter as string.

AsBlobRef

Used to set and read the value of the BLOB parameter as a TBlob object.

AsFloat

Used to assign the value for a float field to a parameter.

AsInteger

Used to assign the value for an integer field to the parameter.

AsLargeInt

Used to assign the value for a LargeInteger field to the parameter.

AsMemo

Used to assign the value for a memo field to the parameter.

AsMemoRef

Used to set and read the value of the memo parameter as a TBlob object.

AsSQLTimeStamp

Used to specify the value of the parameter when it represents a SQL timestamp field.

AsString

Used to assign the string value to the parameter.

AsWideString

Used to assign the Unicode string value to the parameter.

DataType

Indicates the data type of the parameter.

IsNull

Used to indicate whether the value assigned to a parameter is NULL.

ParamType

Used to indicate the type of use for a parameter.

Size

Specifies the size of a string type parameter.

Value

Used to represent the value of the parameter as Variant.

Methods

Name Description

AssignField

Assigns field name and field value to a param.

AssignFieldValue

Assigns the specified field properties and value to a parameter.

LoadFromFile

Places the content of a specified file into a TDAParam object.

LoadFromStream

Places the content from a stream into a TDAParam object.

SetBlobData

Overloaded. Writes the data from a specified buffer to BLOB.
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