... calling SCOPE _IDENTITY( ) in the previous example returns the last identity value inserted into the Products table, which is the ProductID of the new row. N ote For details on the SCOPE _IDENTITY( ) ... add a new DataRow to productsDataTable, the ProductID DataColumn of your new DataRow will initially have the value -1. When you call the Update() method of your SqlDataAdapter to push the new ... occur: 1. Your new DataRow is pushed to the database using the INSERT statement set in myInsertCommand, with the ProductID column of the Products table being set to a new identity value generated...
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... Using the Get* Methods to Read Column Values Before I show you the other Get* methods that read column values, you need to know the standard C# types and the values they support. You need to ... along with the underlying .NET type and the values that can be stored in the C# type. Table 9.3: STANDARD C# AND .NET TYPES C# TYPE .NET TYPE VALUES bool Boolean A Boolean true or false ... string GetString() uniqueidentifier Guid GetGuid() Note You can see the SQL Server types and the values supported by those types in Table 2.3 of Chapter 2, "Introduction to Databases."...
Ngày tải lên: 24/12/2013, 01:17
Tài liệu Returning Strongly Typed Column Values doc
... Returning Strongly Typed Column Values Up to this point, you've retrieved column values from a DataReader only as generic objects of the System.Object ... rewrite the while loop shown in the example in the previous section to show how you store column values as objects of the System.Object class: while (productsSqlDataReader.Read()) { object ... implicitly converted to a string and then displayed. That's fine for just displaying the column values, but what if you want to perform some kind of calculation with a value? To do that,...
Ngày tải lên: 21/01/2014, 07:20
Tài liệu Formatting Column Values When Outputting Data as XML pptx
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Tài liệu Retrieving Column Default Values from SQL Server pdf
... following the word column in the constraint_type column. Once the default constraints have been identified, the overloaded constraint_keys column contains the default value for the column. The default ... DataAdapter returns schema information, it does not include the default values for columns. You want to retrieve the default values of columns in a SQL Server table. Solution Use system stored procedures. ... the column. For more information about the sp_helpconstraint system stored procedure, see Microsoft SQL Server Books Online. [ Team LiB ] [ Team LiB ] Recipe 10.3 Retrieving Column...
Ngày tải lên: 24/12/2013, 05:15
symantec brand identity standards contentsour brand today our values our design philosophy doc
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New Insight into IELTS Student book with answers 2008 Answers - Part 5 out of 5.pdf
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New Insight into IELTS Student book with answers 2008 Reading - Part 2.pdf
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New Insight into IELTS Student book with answers 2008 Speaking - Part 4.pdf
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Brand Identity System Design
... phẩm quảng cáo Brand Identity System | 43 top of mind Brand Identity System | 49 simple Brand Identity System | 20 PHÁT TRIỂN LOGO JUMBO Brand Identity System | 40 impact Brand Identity System | ... đơn sắc trên nền màu : Logo sẽ dùng màu trắng. Brand Identity System | 47 QUY CÁCH SẮP ĐẶT SLOGAN Brand Identity System | 50 trang trí 4 Brand Identity System | 6 Lời nói đầu Ngày nay tại Việt nam, ... định kích thước logo khi có slogan sao cho phù hợp với logo chuẩn Brand Identity System | 36 LOGO ĐƠN SẮC (1 MÀU) Brand Identity System | 32 MÀU LOGO & CÁC ỨNG DỤNG TRÊN NÊN MÀU (2) • Lưu...
Ngày tải lên: 27/08/2012, 09:00
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