update a primary key value

Tài liệu Updating a Primary Key Value pdf

... 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....

Tài liệu Define a Primary Key and Other Indexes docx

Danh mục: Cơ sở dữ liệu

... 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...

Tài liệu Issues Involved When Updating the Primary Key of a Parent Row pptx

Danh mục: Kỹ thuật lập trình

... 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...

Tài liệu Adding Records with a GUID Primary Key pdf

Danh mục: Kỹ thuật lập trình

... 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,...

bai tap unit 11- T. A 12 + key

Danh mục: Tiếng anh

... must have taken b. must have been takenc. can't have been taken d. can't have taken29. The garden ________. It has just started raining. a. needn't water b. needn't be wateredc. ... reviewed12. 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 themb. it is taken an enormous bite by each sharkc. and each shark...

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TRẮC NGHIỆM-TRÌNH ĐỘ A-CÓ KEY

Danh mục: Tiếng anh

... 11:1. a. hearb. dearc. teard. bear > d2. a. deadb. headc. weatherd. seat > d3. a. pleaseb. nosec. losed. house > d4. a. mainb. saintc. saidd. maid > c5. a. barnb. ... you are. a. manyb. thanc. thoughtd. are-> a III. Grammar and Vocabulary10. Public libraries to all readers. a. openb. are openedc. is opend. are open d11. Do you know ? a. what ... shouldn't shoutc. had done / should have shoutedd. all are incorrect-> a 41. You have finished a meal at a restaurant. You say, "Let’s the bill." a. ask forb. askc. ask aboutd....

Designing a Public Key Infrastructure

Danh mục: Quản trị mạng

... 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?...

TUBERCULOSIS PNEUMONIA AS A PRIMARY CAUSE OF RESPIRATORY FAILURE-REPORT OF TWO CASES pdf

Danh mục: Sức khỏe giới tính

... organismper se. These infiltrates can appear within a matterof days and can clinically simulate acute bacterialpneumonia. Anti-tubercular treatment has beenconsidered to be an important factor ... was able to maintain 90% oxygen saturation(SaO2) at room air. Anti-tuberculosis therapy wascontinued and at 12 weeks he was maintainingoxygen saturation (SaO2) of 94% at room air. Hewas ... tuberculousbronchopneumonia, was able to maintain oxygensaturation (SaO2) of 96% at room air, while patientwith tuberculous pneumonia in case 2 was able tomaintain SaO2 of 90% at room air at six weeks.Organ...

Ethical Journalism A Handbook of Values and Practices for the News and Editorial Departments pdf

Danh mục: Cao đẳng - Đại học

... Editors130. To avoid an appearance of conflict, certain editors mustannually affirm to the chief financial officer of The TimesCompany that they have no financial holdings in violationof paragraphs ... fees may not exceed$200 an article.36. Staff members may accept any gifts or discounts available to thegeneral public. Normally they are also free to take advantage ofconventional corporate ... construedas a payment for favorable coverage or as an inducement toalter or forgo unfavorable coverage. They may share in reprintfees that other journalistic media pay The Times, according...

Philosophy in a New Key A Study in the Symbolism of Reason, Rite, and Art

Danh mục: Tâm lý - Nghệ thuật sống

... mission that we regard it as the only im-portant expressive act, and assume that all other activity mustbe 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 whobeats a tom-tom to drive off his brother's malaria would nevermake such a practical mistake as to shoot his arrow ... language." 5An interpretation of observed facts that adjusts them to a general scientific outlook, a theory that bridges what used toappear as a saltus naturae, a logical explanation...

Báo cáo khoa học: Insect cytokine, growth-blocking peptide, is a primary regulator of melanin-synthesis enzymes in armyworm larval cuticle pptx

Danh mục: Báo cáo khoa học

... pair(5Â-ATGGAGGCCGGAGATTTCAAAG-3Â, +1 to +22 bp;and 5Â-ACGGGCTTTAAGTATTTCATCAGGC-3Â, +1405to +1428 bp) and actin primer pair (5Â-TTCGAGCAGGAGATGGCCACC-3Â and 5Â-GAGATCCACATCTGYTGGAAGGT-3Â). ... Yoichi Hayakawa21 Graduate School of Environmental Earth Science, Hokkaido University, Sapporo, Japan2 Department of Applied Biological Science, Saga University, JapanAnimal color patterns have ... ReverTra Ace(TOYOBO). The cDNA was amplied with TH-specicprimer pair (5Â-CAGCTGCCCAGAAGAACCGCGAGATG-3Â, +11 to +36; and 5Â-GAACTCCACGGTGAACCAGT-3Â, +1286 to +1305 bp), DDC-specic primer pair(5Â-ATGGAGGCCGGAGATTTCAAAG-3Â,...

Báo cáo Y học: Heterologous expression of a Rauvolﬁa cDNA encoding strictosidine glucosidase, a biosynthetic key to over 2000 monoterpenoid indole alkaloids pot

Danh mục: Báo cáo khoa học

... (5Â-GGAGGGTGGCAGCATGTCGTTCCTTGGGG-3Â,forward),GSP 5a( 5Â-GTGGCTTCTTGAGTCATAGAATCGTGGATGAC-3Â, reverse) and GSP5b (5Â-GTGCATACAACGAAGGCAATCGAGGTCC-3Â, reverse)using MarathonTMcDNA Amplication Kit and Advant-ageÒ cDNA polymerase ... held at72 °C for 5 min. The primer pairs NcoI(5Â-GGTGGTCCAT GGACAATACTCAAGC-3Â,forward)PstI(5Â-CTGCA GTTAGGTTTTTTGCCTCTTGACTAAC-3Â,reverse)andNdeI(5Â-CACATATGGACAATACTCAAGCTGA GCC-3Â,forward)SapI(5Â-TGCTCTTCCGCAGGTTTTTTGCCTCTTGAC-3Â, ... primers F5 (5Â-CAATTTGTACAAGGAAGATATC-3Â, forward) and R2 (5Â-TTAGTATTTTTGCTTCTTGAC-3Â, reverse). The 3Â-and5ÂRACE PCR was carried out with gene specic primersGSP3 (5Â-GGAGGGTGGCAGCATGTCGTTCCTTGGGG-3Â,forward),GSP 5a( 5Â-GTGGCTTCTTGAGTCATAGAATCGTGGATGAC-3Â,...

The Secret Language of Symbols: A Visual Key to Symbols Their Meanings

Danh mục: Mỹ thuật

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Socio-demographic characteristics of patients presenting pulmonary tuberculosis in a primary health centre, Zaria, Nigeria ppt

Danh mục: Sức khỏe giới tính

... 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....