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Dropdown Problem - Dataassist

Thread began 7/29/2011 2:22 pm by steve150290 | Last modified 7/29/2011 3:28 pm by Jason Byrnes | 946 views | 7 replies |

steve150290

Dropdown Problem - Dataassist

I have a database that I set up using dataassist, on the 'update' page, I have 4 items with dropdown choices (Yes/No, State these are dynamic dropdowns), my problem is that about half the time the update page will correctly show the contents of the existing record and other times just the defaults. How can I get it to work all the time? This is a .asp page by the way. Thanks in Advance for any help

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Jason ByrnesWebAssist

please send a copy of the page so i can look at the code to determine how to trouble shoot this issue.

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steve150290

Page Code

Page Code attached. Thank YOu

Attached Files
Trainers_Update.pdf
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Jason ByrnesWebAssist

OK, lets take the state list for example.

the code that writes each option for the state list is:

<option value="<%=(WADADynListSystemOptions.Fields.Item("OptionValue").Value)%>" <%If (Not i
sNull((WADATrainers.Fields.Item("State").Value))) Then If (CStr(WADADynListSystemOptions.Fields.Item("O
ptionValue").Value) = CStr((WADATrainers.Fields.Item("State").Value))) Then Response.Write("selected=""sel
ected""") : Response.Write("")%>
209 ><%=(WADADynListSystemOptions.Fields.Item("DisplayName").Value)%></option>




to troubleshoot the cause of the problem, we need to know the values of the two columns being compared changing the statte list code to:

<option value="<%=(WADADynListSystemOptions.Fields.Item("OptionValue").Value)%>" <%If (Not i
sNull((WADATrainers.Fields.Item("State").Value))) Then If (CStr(WADADynListSystemOptions.Fields.Item("O
ptionValue").Value) = CStr((WADATrainers.Fields.Item("State").Value))) Then Response.Write("selected=""sel
ected""") : Response.Write("")%>
209 ><%=(WADADynListSystemOptions.Fields.Item("DisplayName").Value)%>|<%=(WADADynListSystemOptions.Fields.Item("O
ptionValue").Value)%>|<%=(WADATrainers.Fields.Item("State").Value)%>|</option>



will show those values in the list to help us determine what is causing the problem.

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steve150290

Codes

The 'states' os using the Option Value and the Display name
The yesNo is using display and Value1

Attached Files
SelectYesNo.pdf
SystemOptions.pdf
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Jason ByrnesWebAssist

For the state select list:
if you look at the source code for the state select list, there is a lot pf blank space at the end of each options, example:
<option value="AL " >Alabama</option>

this is causing the comparison to compare the string "AL " to "AL" which are not the same, this is causing the state lit not to pre select the correct option. you need to remove the space at the end of each state abbreviation from the database table.

for the other select lists, it seams the no "-" option is working correctly, it is the "Yes" option that is not working.

this is due to case, in the main table it is storing yes as "Yes", on the option ttable is is storing yes as "YES"

The 2 strings:
Yes
YES

are not the same due to case differences.

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steve150290

That fixed it!
This was my first experience with using dynamic dropdowns and I did not even consider the database for the dropdowns being the problem. I changed the field to 2 for state and 4 for yes/no and made the yes/no all the same case. Thank yu So very much!

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Jason ByrnesWebAssist

you're welcome.

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