ADO Type ÊôÐÔ
¶¨ÒåºÍÓ÷¨
Type ÊôÐÔ¿ÉÉèÖûò·µ»ØÒ»¸ö DataTypeEnum Öµ£¬¸ÃÖµ¿Éָʾ Parameter, Field »ò Property ¶ÔÏóµÄÀàÐÍ¡£
¶ÔÏó | Type ¶ÔÏóµÄÃèÊö |
---|---|
Parameter | ¶ÔÓÚ Parameter ¶ÔÏó£¬Type ÊôÐÔÓµÓжÁ/дȨÏÞ¡£ |
Field | ¶ÔÓÚÒÑ×·¼Óµ½ Record µÄ Fields ¼¯ºÏÖеÄРField ¶ÔÏó£¬Ö»Óе± Field µÄ Value ÊôÐÔÒѱ»Ö¸¶¨²¢ÇÒÊý¾ÝÌṩÕßͨ¹ýµ÷Óà Fields ¼¯ºÏµÄ Update ·½·¨³É¹¦Ìí¼ÓÁËÐ嵀 Field ʱ£¬Type ²ÅΪ¶Á/д¡£ |
Property | ¶ÔÓÚ Property ¶ÔÏó£¬Type ÊôÐÔÊÇÖ»¶ÁµÄ¡£ |
Óï·¨
objectname.Type
ʵÀý
Õë¶Ô Field ¶ÔÏó£º
<% set conn=Server.CreateObject("ADODB.Connection") conn.Provider="Microsoft.Jet.OLEDB.4.0" conn.Open "c:/webdata/northwind.mdb" set rs = Server.CreateObject("ADODB.Recordset") rs.open "Select * from orders", conn response.write(rs.Fields(0).Type) rs.Close conn.close %>
Õë¶Ô Parameter ¶ÔÏó£º
<% set comm=Server.CreateObject("ADODB.Command") set para=Server.CreateObject("ADODB.Parameter") para.Type=adVarChar para.Size=25 para.Direction=adParamInput para.Value=varfname comm.Parameters.Append para %>
Õë¶Ô Property ¶ÔÏó£º
<% set conn=Server.CreateObject("ADODB.Connection") conn.Provider="Microsoft.Jet.OLEDB.4.0" conn.Open "c:/webdata/northwind.mdb" set rs = Server.CreateObject("ADODB.Recordset") rs.open "Select * from orders", conn set prop=Server.CreateObject("ADODB.Property") 'Display the property attributes of the Orders Table for each prop in rs.Properties response.write("Attr:" & prop.Attributes & "<br />") response.write("Name:" & prop.Name & "<br />") response.write("Value:" & prop.Value & "<br />") response.write("Type:" & prop.Type & "<br />") next rs.close conn.close set rs=nothing set conn=nothing %>