Question

Put null values or blank instead of 01/01/1900 in Date fields on a coldfusion page.

Asked by: saritharanjeeth

Hello,
Thanks a lot for ur help, really appreciate it.
I am inserting dates into SQL Server db using a coldfusion page, As u know if there is a blank date inserted into SQL SERVER db it inserts with 01/01/1900, and when i am lanching the page again, the page pullling up those date values stored in the db. If user selects a particular date and stores in the db, i am getting those dates. But user doesnt select a date on creation and while editing 01/01/1900 is being pulled into the screen. How could i eliminate these 01/01/1900 dates in the textfields of a coldfusion page, if no dates were selected.
Here is the example of the code:
*****************************************************************************
<td>
<cfset mulProdOnHoldDt =
getCSSProdHeadDetails('css_onhold_datestamp','#projectID#','#product_type#','#legacy_sys_type#')>
                              
<input size="8" readonly="" style="background:CCCCCC" name="preOnHoldDate_#i#"
            type="text" value="<cfif mulProdOnHoldDt neq "">#DateFormat(mulProdOnHoldDt)#</cfif> "/>
<a href="javascript:NewCal('preOnHoldDate_#i#','MMddyyyy')">
<img src="images/cal.gif" width="16"  height="16" border="0" alt="Pick a date"></a>      
</td>      
****************************************************************************
Any help would be really appreciated!! Thanks U

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Asked On
2007-09-18 at 15:10:45ID22837423
Tags

null

,

sql

,

date

,

server

Topics

ColdFusion Studio

,

ColdFusion Application Server

Participating Experts
2
Points
500
Comments
2

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Answers

 

by: SBennettPosted on 2007-09-18 at 16:15:54ID: 19917328

you could use datecompare to check and make sure the date is later than 01/01/1900 like:

<cfif mulProdOnHoldDt neq "" and datecompare(mulProdOnHoldDt,"01/01/1900") eq 1>#DateFormat(mulProdOnHoldDt)#</cfif>

 

by: _agx_Posted on 2007-09-18 at 17:31:37ID: 19917586

> As u know if there is a blank date inserted into SQL SERVER db it inserts with 01/01/1900

Afaik that is not the default behavior.  Is your code (a default, trigger, etc) inserting this value?

Assuming your column allows NULL values, another option is to insert a NULL instead of 01/01/1900 if the user does not select a date.  Then you could use the neq "" check or

     <input name="preOnHoldDate_#i#"
            <cfif IsDate(mulProdOnHoldDt)>value="#DateFormat(mulProdOnHoldDt)#"</cfif> ....>

You could also modify getCSSProdHeadDetails so your query returns NULL if the date equals "01/01/1900"

    --- sql server specific syntax
    SELECT CASE WHEN YourDateColumn = convert(datetime, '01/01/1900', 101) THEN NULL
                ELSE YourDateColumn
                  END AS YourDateColumn
     FROM   YourTable
     WHERE .... some conditions ...

... or you could exclude both NULL and '01/01/1900' values

    --- sql server specific syntax
    SELECT  YourDateColumn
    FROM     YourTable
    WHERE  YourDateColumn IS NOT NULL
    AND       YourDateColumn <> convert(datetime, '01/01/1900', 101)

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