Tài liệu Reading Null Values doc

... Reading Null Values As you learned in Chapter 2 , a column defined as null can store a null value. A null value indicates that the column value is ... column value is unknown. A standard C# type cannot store a null value, but a Sql* type can. Let's consider an example of reading a null value from the database. Say you've performed ... column contains a null...

Ngày tải lên: 21/01/2014, 07:20

... procedure: SP0214_NullParameter CREATE PROCEDURE SP0214_NullParameter @ValueIn int AS if @ValueIn is null select 1 as IsParameterNull else select 0 as IsParameterNull return 0 ... [ Team LiB ] Recipe 2.14 Passing Null Values to Parameters Problem You need to pass a null value to a parameter. Solution Use the System.DbNull.Value static value. The sample code, ....

Ngày tải lên: 14/12/2013, 18:16

... handling of null values. The sample uses one XSD file: CategoriesDS_AnnotatedNull.xsd The schema used to generate the strongly typed DataSet. The schema is annotated so the null Description values ... null annotation. CategoriesDS_AnnotatedNull ds = new CategoriesDS_AnnotatedNull( ); // Fill the Categories table within DataSet. da.Fill(ds, CATEGORIES_TABLE); // Add a ro...

Ngày tải lên: 14/12/2013, 18:16

... with our Families (London, 1999), p. 150. 103 UN Doc S/RES/912 (1994). 104 UN Doc S/RES/918 (1994). 105 Independent Inquiry Report, 15–17. 106 UN Doc S/RES/929 (1994). 107 Tesón, ‘Collective Humanitarian ... initially through a monitoring system associated with the UN peace-keeping operation, UNPROFOR: UN Doc S/RES/781 (1992); the Council acting under Chapter VII, authorises member st...

Ngày tải lên: 19/02/2014, 05:20

... READING BETWEEN THE LINES  CHAPTER 5 Using Graphic Organizers to Write a Document-Based Essay 86 Document Number Document Information Outside Information officials had the right to search Document ... Write a Document-Based Essay CHAPTER 5 READING BETWEEN THE LINES 87  Document Number Document Information Outside Information Your right to vote cannot be The Fifteenth Amendment was Docu...

Ngày tải lên: 13/12/2013, 07:15

... Reading practice for BLS Group Reading 001 The Death Car It was a cold night in September. The rain was drumming ... Marie sat up quickly and looked out of the window. Ho Huyen, MA. Med. VNU Page 1 Reading practice for BLS Group Reading 001 The three vehicles were all police cars, and two still had their lights ... forget everything that had happened during the night. Ho Huyen, MA....

Ngày tải lên: 13/12/2013, 13:15

... bm_PositionChanged (null, null) ; } private void bm_PositionChanged(Object sender, EventArgs e) { // Handler for the binding manager record change // Clear the image and picture box. image = null; ... = null; } fs.Close( ); } } private void clearImageButton_Click(object sender, System.EventArgs e) { // Clear the image and picture box. image = null; imagePictu...

Ngày tải lên: 14/12/2013, 18:16

... 5 suspects have been arrested by the police 6. The doctor ordered him to take a long rest. -> He was ordered to take a long rest by the doctor 7. Lightning struck the house. -> The house ... by noon. 4. The mad dog bit the little boy. 5. The police have arrested five suspects. 6. The doctor ordered him to take a long rest. 7. Lightning struck the house. 8. A gruop of students

Ngày tải lên: 21/12/2013, 21:15

... [ Team LiB ] Recipe 8.5 Reading XML Data Directly from SQL Server Problem You need to read XML data directly from the

Ngày tải lên: 24/12/2013, 05:15

Ngày tải lên: 26/12/2013, 00:16