1. CodeCruiser488,791
2. abel465,249
3. Idle_Mind459,720
4. TheLearn...375,874
5. Dhaest279,401
6. oobayly274,248
7. emoreau230,014
8. jpaulino220,687
9. nmarun173,575
10. jaime_oliv...167,984
11. Omego2K165,286
12. kaufmed152,382
13. webtubbs147,044
14. angelIII131,990
15. ragi0017128,710
16. spprivate112,984
17. jensfiederer110,768
18. Fernando...106,587
19. daveamour106,532
20. pivar104,000
21. sunithnair96,554
22. ToddBeau...92,560
23. guru_sami86,768
24. Juan_Bar...86,494
25. mlmcc85,515

1. TheLearn...2,427,836
2. Idle_Mind1,191,487
3. emoreau814,732
4. iboutchkine809,868
5. Dhaest672,668
6. jaime_oliv...604,776
7. jpaulino598,835
8. mmarinov556,677
9. CodeCruiser532,446
10. gregoryyo...530,316
11. Fernando...489,357
12. graye486,293
13. abel482,149
14. naveenko...451,699
15. angelIII396,098
16. webtubbs361,351
17. testn352,601
18. jensfiederer336,483
19. RobertRFr...333,569
20. YZlat332,657
21. surajguptha324,880
22. Arthur_...316,064
23. AlexFM304,664
24. VBRocks297,419
25. Mikal613280,938

	[x] Posted via EE Mobile
	Search, ask, and monitor your questions on the go with EE Mobile. Visit Experts Exchange from your mobile device and never be out of touch again.

01/28/2008 at 05:53AM PST, ID: 23116170

	[x] Attachment Details

[x]

The Solution Rating System

With so many solutions, how can you tell which solutions are most likely to help you and which ones are not? To provide you with a tool to use, we rate our solutions based on various elements that most accurately determine if a solution is a quality solution. To explain what factors affect the solution rating, here are the elements we take into consideration when formulating our solution rating.

The Grade of the Solution
The Zone Rank of the Expert Providing the Solution
The Number of Author and Expert Comments
The Number of Experts Contributing
The Feedback of the Community

Your Input Matters
Because of the way the system is set up, the most important variable in this equation is you. As a member of Experts Exchange, you are able to cast your vote on the quality of the solutions in regard to how complete, accurate, helpful and easy to understand each solution is. When you provide your feedback, each rating is adjusted accordingly. So, if you see a solution that has a poor rating that you think is a good solution, let us know by rating it. As you do, the rating will be adjusted and will become more accurate for other members of our site.

If you have any suggestions that you would like to make for our rating system, please ask a question in the Suggestions Zone of Community Support.

Thank you!

5.4

Datagridview comboboxcolumn Oracle datasource problem

Asked by graham_ball in .NET, PL / SQL, C# Programming Language

Tags: c#

I have a cobobox column in a datagridview that works fine with the attached code; it displays the correct text for the value it retrieves from the database.
However, If I make a minor alteration to the code to handle null values, it doesn't work. I get the
{"DataGridViewComboBoxCell value is not valid."} error.

When I handle the error and cancle straight out of it, the key value is displayed in the combobox, which is a valid value, as it worked fine previously.

I've tried handling the null value as follows, but again, I just get the value (1009107) displayed in the combobox, not it's equivalent text.
In both cases, clicking on the combobox removes the key value and displays the dropdown list as expected.

View the Solution FREE for 30 Days

         
           
             1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:

           
           
             string SQL
	= "select tr.recommendation_id  "
	+ ", substr(tco.COMMON_DESCRIPTION,instr(tco.COMMON_DESCRIPTION,' ') +1) Result  "
// This works fine
	+ ", tr.FIRST_TIME_ACCEPTANCE_CODE_ID RFT_CODE_ID "
// This doesn't
	+ ", nvl(tr.FIRST_TIME_ACCEPTANCE_CODE_ID, 1009107) RFT_CODE_ID "
// Neither does this
	+ ", decode(tr.FIRST_TIME_ACCEPTANCE_CODE_ID, null, 1009107, tr.FIRST_TIME_ACCEPTANCE_CODE_ID) RFT_CODE_ID "
	+ "from t_recommendations tr  "
	+ "	, t_products tp  "
	+ "    , exii.t_codes tc "
	+ "    , t_common tco  "
	+ "    , t_providers tpr "
	+ "where tr.PRODUCT_ID = tp.PRODUCT_ID  "
	+ "and tr.PREMIUM_FREQUENCY_CODE_ID = tc.code_id  "
	+ "and tr.factfind_id = '" + factfindID + "' "
	+ "and tr.letter_id = '" + letterID + "' "
	+ "and tr.ACCEPTED_CODE_ID = tco.COMMON_ID "
	+ "and tr.PROVIDER_ID = tpr.PROVIDER_ID(+)  "
	+ "order by 1 "
	;
OracleDataAdapter da = new OracleDataAdapter(SQL, Connection);
DataTable dtRFT = new DataTable();
da.Fill(dtRFT);
dgvRFT.DataSource = dtRFT;

           
         

20091111-EE-VQP-91 / EE_QW_2_20070628

Datagridview comboboxcolumn Oracle datasource problem

Asked by graham_ball in .NET, PL / SQL, C# Programming Language

Tags: c#

About this solution