Solved

Access:Union query: Where a field meets a condition not working

Posted on 2007-11-15
5
202 Views
Last Modified: 2010-03-20
I have a form called "Students". On this form is a textbox called "txtStudent". Also on this form is a listbox called "StudentList". I also have two tables ("Table1"and "Table2") both tables have the following fields ("StudentName", "SS#", "Grade","Status")

When someone types a name in the textbox ("txtStudent") and presses enter it runs the code below:

[Forms]![Students]![StudentList].RowSource = "SELECT [StudentName], [SS#], [Grade], [Status] FROM TABLE1 UNION SELECT [StudentName], [SS#], [Grade], [Status] FROM TABLE2 WHERE [StudentName] =[Forms]![Students]![txtStudent] ORDER BY [StudentName];"

This code is supposed to display in the list box only those records with a "StudentName"  equal to what the user typed in the textbox ("xtStudent"). Nonetheless the code displays all records anyway. Will someone help me make the code work?
0
Comment
Question by:ouestque
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
5 Comments
 
LVL 61

Accepted Solution

by:
mbizup earned 500 total points
ID: 20293541
Give this a try:

[Forms]![Students]![StudentList].RowSource = "SELECT * FROM (SELECT [StudentName], [SS#], [Grade], [Status] FROM TABLE1 UNION SELECT [StudentName], [SS#], [Grade], [Status] FROM TABLE2 ) WHERE [StudentName] =[Forms]![Students]![txtStudent] ORDER BY [StudentName]"
0
 
LVL 7

Expert Comment

by:Stephen Lappin
ID: 20297271
The first side of your UNION has no where clause, hence is returning all rows. Try this:

Forms]![Students]![StudentList].RowSource = "SELECT [StudentName], [SS#], [Grade], [Status] FROM TABLE1 WHERE [StudentName] =[Forms]![Students]![txtStudent] UNION SELECT [StudentName], [SS#], [Grade], [Status] FROM TABLE2 WHERE [StudentName] =[Forms]![Students]![txtStudent] ORDER BY [StudentName];"
0
 

Author Comment

by:ouestque
ID: 20314145
MBzip got the answer first so she gets the points. Thanks you both!!!
0
 
LVL 61

Expert Comment

by:mbizup
ID: 20315612
Glad to help out!
0

Featured Post

Learn how to optimize MySQL for your business need

With the increasing importance of apps & networks in both business & personal interconnections, perfor. has become one of the key metrics of successful communication. This ebook is a hands-on business-case-driven guide to understanding MySQL query parameter tuning & database perf

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

This article describes how to use the timestamp of existing data in a database to allow Tableau to calculate the prior work day instead of relying on case statements or if statements to calculate the days of the week.
In part one, we reviewed the prerequisites required for installing SQL Server vNext. In this part we will explore how to install Microsoft's SQL Server on Ubuntu 16.04.
Monitoring a network: why having a policy is the best policy? Michael Kulchisky, MCSE, MCSA, MCP, VTSP, VSP, CCSP outlines the enormous benefits of having a policy-based approach when monitoring medium and large networks. Software utilized in this v…
Visualize your data even better in Access queries. Given a date and a value, this lesson shows how to compare that value with the previous value, calculate the difference, and display a circle if the value is the same, an up triangle if it increased…
Suggested Courses

630 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question