update a primary key value

... Updating a Primary Key Value Problem You changed a primary key value in a DataTable and updated the change back to the underlying data source, but the value in the data source remained unchanged. ... the UpdateCommand of the DataAdapter needs to locate the row based on the original primary key and update the primary key value with the current value of the primary key in addition to updating ... need to update a primary key value in the data source underlying the DataTable. Solution Use the SourceVersion property of SqlParameter to update the primary key value in the data source....

Ngày tải lên: 26/01/2014, 10:20

... each record, such as a Customer ID. This How-To discusses what the best candidates are for primary keys, as well as how to create them and other indexes. You have created a base table and have ... Indexes are used to improve performance when querying data, such as searching on fields and sorting information. The primary key is an index that ensures that you have at least one unique value ... entered data into it. How do you make sure that you have a way of finding specific records? LastName and FirstName fields won't work because you can have duplicates of those. You also want...

Ngày tải lên: 14/12/2013, 20:16

... DataTable. This is the default. None Indicates that no action takes place. SetDefault Indicates that the DataColumn values in the child DataTable are to be set to the value in the DefaultValue ... parent table. Updating the Primary Key of a Parent Table and Pushing the Change to the Database In this section you'll learn what happens if you attempt to update the primary key in a ... the DataColumn. SetNull Indicates that the DataColumn values in the child DataTable are to be set to DBNull. By default, UpdateRule is set to Cascade; therefore, when you change the DataColumn...

Ngày tải lên: 24/12/2013, 01:17

... DataTable parentTable = new DataTable(PARENTTABLENAME); cols = parentTable.Columns; col = cols.Add(PARENTID_FIELD, typeof(Guid)); col.DefaultValue = Guid.NewGuid( ); parentTable.PrimaryKey ... the DataSet and create the relationship. ds = new DataSet( ); Table 4-2. DataRowAction enumeration Value Description Add The row has been added to the table. Change The row has been changed. ... be changed after each row is added to the table so that each row has a different GUID primary key value. This is done by handling the RowChanging event for each table. When a row has been added,...

Ngày tải lên: 21/01/2014, 11:20

... must have taken b. must have been taken c. can't have been taken d. can't have taken 29. The garden ________. It has just started raining. a. needn't water b. needn't be watered c. ... reviewed 12. As for me, I consider reading ________ important part of ________ life. a. an / Ø b. the / a c. Ø / the d. an / a 13. Anne says that she reads about half ________ hour a day, at least. a. a ... because a pack of sharks follow the trail to Santiago's boat ________. a. so that the marlin is bitten largely by each of them b. it is taken an enormous bite by each shark c. and each shark...

Ngày tải lên: 23/07/2013, 01:25

... 11: 1. a. hear b. dear c. tear d. bear > d 2. a. dead b. head c. weather d. seat > d 3. a. please b. nose c. lose d. house > d 4. a. main b. saint c. said d. maid > c 5. a. barn b. ... you are. a. many b. than c. thought d. are -> a III. Grammar and Vocabulary 10. Public libraries to all readers. a. open b. are opened c. is open d. are open  d 11. Do you know ? a. what ... shouldn't shout c. had done / should have shouted d. all are incorrect -> a 41. You have finished a meal at a restaurant. You say, "Let’s the bill." a. ask for b. ask c. ask about d....

Ngày tải lên: 21/08/2013, 00:10

... mmc and then press ENTER. d. On the Console menu, click Add/Remove Snap-in. e. In the Add/Remove Snap-in dialog box, click Add. f. On the Add Standalone Snap-in dialog box, click Certificates ... click Add, and then click Close. g. Click OK to close the Add/Remove Snap-in dialog box. h. On the Console menu, click Save As. i. In the Save As dialog box, type Certificate Management ... Designing a Public Key Infrastructure Copyright  2002 Microsoft Corporation. All Rights Reserved. Tasks Detailed Steps Why was the Base-64 encoded binary x.509 certificate format selected?...

Ngày tải lên: 19/10/2013, 02:15

... organism per se. These infiltrates can appear within a matter of days and can clinically simulate acute bacterial pneumonia. Anti-tubercular treatment has been considered to be an important factor ... was able to maintain 90% oxygen saturation (SaO 2 ) at room air. Anti-tuberculosis therapy was continued and at 12 weeks he was maintaining oxygen saturation (SaO 2 ) of 94% at room air. He was ... tuberculous bronchopneumonia, was able to maintain oxygen saturation (SaO 2 ) of 96% at room air, while patient with tuberculous pneumonia in case 2 was able to maintain SaO 2 of 90% at room air at six weeks. Organ...

Ngày tải lên: 06/03/2014, 04:20

... Editors 130. To avoid an appearance of conflict, certain editors must annually affirm to the chief financial officer of The Times Company that they have no financial holdings in violation of paragraphs ... fees may not exceed $200 an article. 36. Staff members may accept any gifts or discounts available to the general public. Normally they are also free to take advantage of conventional corporate ... construed as a payment for favorable coverage or as an inducement to alter or forgo unfavorable coverage. They may share in reprint fees that other journalistic media pay The Times, according...

Ngày tải lên: 06/03/2014, 11:20

... mission that we regard it as the only im- portant expressive act, and assume that all other activity must be practical in an animalian way, or else irrational—playful, or atavistic (residual) past ... magic" rests on a mistaken view of causality. After all, a savage who beats a tom-tom to drive off his brother's malaria would never make such a practical mistake as to shoot his arrow ... language." 5 An interpretation of observed facts that adjusts them to a general scientific outlook, a theory that bridges what used to appear as a saltus naturae, a logical explanation...

Ngày tải lên: 14/03/2014, 17:25

... pair (5Â-ATGGAGGCCGGAGATTTCAAAG-3Â, +1 to +22 bp; and 5Â-ACGGGCTTTAAGTATTTCATCAGGC-3Â, +1405 to +1428 bp) and actin primer pair (5Â-TTCGAGCAG GAGATGGCCACC-3Â and 5Â-GAGATCCACATCTGYTG GAAGGT-3Â). ... Yoichi Hayakawa 2 1 Graduate School of Environmental Earth Science, Hokkaido University, Sapporo, Japan 2 Department of Applied Biological Science, Saga University, Japan Animal color patterns have ... ReverTra Ace (TOYOBO). The cDNA was amplied with TH-specic primer pair (5Â-CAGCTGCCCAGAAGAACCGCGAGA TG-3Â, +11 to +36; and 5Â-GAACTCCACGGTGAACC AGT-3Â, +1286 to +1305 bp), DDC-specic primer pair (5Â-ATGGAGGCCGGAGATTTCAAAG-3Â,...

Ngày tải lên: 16/03/2014, 11:20

... (5Â-GGAGGGTGGCAGCATGTCGTTCCTTGG GG-3Â,forward),GSP 5a( 5Â-GTGGCTTCTTGAGTCAT AGAATCGTGGATGAC-3Â, reverse) and GSP5b (5Â-GT GCATACAACGAAGGCAATCGAGGTCC-3Â, reverse) using Marathon TM cDNA Amplication Kit and Advant- ageÒ cDNA polymerase ... held at 72 °C for 5 min. The primer pairs NcoI(5Â-GGTG GTCCAT GGACAATACTCAAGC-3Â,forward)PstI (5Â-CTGCA GTTAGGTTTTTTGCCTCTTGACTAAC- 3Â,reverse)andNdeI(5Â-CACATATGGACAATACTCA AGCTGA GCC-3Â,forward)SapI(5Â-TGCTCTTCC GCAGGTTTTTTGCCTCTTGAC-3Â, ... primers F5 (5Â-CAAT TTGTACAAGGAAGATATC-3Â, forward) and R2 (5Â-TT AGTATTTTTGCTTCTTGAC-3Â, reverse). The 3Â-and5Â RACE PCR was carried out with gene specic primers GSP3 (5Â-GGAGGGTGGCAGCATGTCGTTCCTTGG GG-3Â,forward),GSP 5a( 5Â-GTGGCTTCTTGAGTCAT AGAATCGTGGATGAC-3Â,...

Ngày tải lên: 24/03/2014, 03:21

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Ngày tải lên: 24/03/2014, 19:32

... Nigeria National Demographic Health Survey Report 2003. Nirupa CG, Sudha GT, Santha TC, Ponnuraja CR, Fathima RV, Chandrasekharan VK, Jaggarajamma K, Park K (2005). Textbook of Preventive and ... immunization, antenatal care, postnatal, family planning and laboratory services. The study subjects include Nigerians aged 8 years and above residing in Zaria, Kaduna State, Nigeria since ... Abubakar, Mr Stephen Odeh of Comprehensive Health Centre, Sabon-Gari, Local Government Area (LGA) of Kaduna State, Nigeria for their assistance and cooperation during the time of data collection....

Ngày tải lên: 29/03/2014, 03:20

Ngày tải lên: 19/06/2014, 22:20

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Ngày tải lên: 21/06/2014, 11:20