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Text Fields auto entry

I have a text box on a form, named BldgNum (Meaning building Number)  when I type a number is this field the next text box (BldgName) automatically dispalys the building name.  How can I accoplish this?
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antonyeo
Asked:
antonyeo
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1 Solution
 
jjafferrCommented:
Hi antonyeo,

On Lost Focus of BldgNum have this code:

me.BldgName=dlookup("[BldgName]","TableName","[BldgNum]=Forms![YourFormName]![BldgNum]")

I hope this helps.

jaffer
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shanesuebsahakarnCommented:
I would recommend using a combo box to achieve this. That also has the advantage that you can limit the user to only typing in existing building numbers. Instead of the textbox, create a combo box with this kind of row source:

SELECT BldgNum, BldgName FROM MyTable

Set the second text box's control source to:
=Form!MyComboBox.Column(1)

That should do what you need.
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antonyeoAuthor Commented:
I should mention that there are 500 building numbers...

At some place shouldn't I have to list the numbers and names??
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jjafferrCommented:
You should be having both of them in a Table
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antonyeoAuthor Commented:
Ok I started over the field names have change bNum (building Number), and Organization (is the name).  So i created a text field in the table (lookup).  I used 2 colums, column 1 has the numbers and two has the names.  I inserted the bNum field in the form and set the control source to bNum.  The organization field is slso in the form and its control source is set to =[Form]!bNum.Column(2).  But I get nothing in the Organization field when using the drop down box bNum on the form.
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dannywarehamCommented:
I'd also recommend a combobox.

However, if the text box is the way forward, you can use code to return a message if the building number is not found
Something like:

Private Sub BldgName_AfterUpdate()
On error goto errtrap

Dim tempvalue as string
tempvalue = dlookup("[BldgName]","TableName","[BldgNum]=Forms![YourFormName]![BldgNum]")

If len(tempvalue)<=0 then    'check the length of the look up value
msgbox ("Name not found")
me.BldgName.setfocus
else
me.BldgName=tempvalue
end if
exit sub

errtrap:
msgbox ("Name not found")
me.BldgName.setfocus

end sub
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jjafferrCommented:
antonyeo
You have mixed up between the solutions, so you used part of my code and part of Shane, well, it doesn't work this way.

dannywareham just posted a more expanded version of my solution, oterwise you can use what I gave you:

On Lost Focus of BldgNum have this code:

me.BldgName=dlookup("[BldgName]","TableName","[BldgNum]=Forms![YourFormName]![BldgNum]")

jaffer
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shanesuebsahakarnCommented:
It needs to be column(1) not column(2) - column numbers start from 0.
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jjafferrCommented:
Shane
You have to guide antonyeo in how to accomplish making a combobox with 2 columns, before he can get the value out of it.

jaffer
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shanesuebsahakarnCommented:
jjaffer - read his post above. I am assuming he has already created the combo box since he already mentions two columns.
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antonyeoAuthor Commented:
OK I placed: SELECT BldgNum, BldgName FROM thetable (names changed to reflect the names I use) inside the row source properties box of the BldgNum on the form.

I then placed =theform!BldgNum.Column(1) inside the control source properties box of the BldgName field on the form.

I get #Name in the BldgName field on the form.  Perhaps I've changed the name incorrectly on the formula.  Taking the code you gave I changed them as follows:

SELECT BldgNum, BldgName FROM MyTable  =  SELECT BldgNum, BldgName FROM thetable

and

=Form!MyComboBox.Column(1)  =  =Form!BldgNum.Column(1)



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shanesuebsahakarnCommented:
That's right, but you need to make sure that the name of the combo box is called BldgNum as well. Click on the combo and bring up the Properties window. Check what the Name property is on the Other page. Use that instead of BldgNum in the control source.
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antonyeoAuthor Commented:
Ok finally!!! I got it thanks Shane!  I see I can copy and paste it to different database too.
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