Tài liệu Retrieving New Identity Column Values doc

... Retrieving New Identity Column Values The ProductID column of the Products table is an identity column. In this section, you'll see how to insert a new row into to Products ... ProductID DataColumn of productsDataTable: DataColumn productIDDataColumn = productsDataTable.Columns["ProductID"]; productIDDataColumn.AllowDBNull = false; productIDDataColumn.A...

Ngày tải lên: 21/01/2014, 07:20

... 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...

Ngày tải lên: 21/01/2014, 07:20

... [ Team LiB ] Recipe 2.12 Retrieving Stored Procedure Return Values Using a DataReader Problem You are using a stored procedure to create ... System.Data.SqlClient; // . . . StringBuilder result = new StringBuilder( ); // Create the connection. SqlConnection conn = new SqlConnection( ConfigurationSettings.AppSettings["Sql_ConnectString"]); ... retParam....

Ngày tải lên: 24/12/2013, 05:15

... AutoIncrement column should both be set to -1 to prevent conflict with the positive identity values generated by the data source. The values created for an AutoIncrement column will have new identity values ... void IdentityValueForm_Load(object sender, System.EventArgs e) { // Create the Categories table. dt = new DataTable(CATEGORIES_TABLE); // Add the identity...

Ngày tải lên: 21/01/2014, 11:20

... như big hatch và đúng loại Fonts. Lineweight for Display and Printing Lineweight editing on entities on screen and plot Lineweight cho hiển thị và in ấn Lineweight chỉnh sửa các đối tượng trên ... nhấp chuột progeSOFT New Wizard * Original configuration mask of new drawings based on prototypes or pre- set values (similar to the one available in AutoCAD ® ) progeSOFT New Wizard * Cấu...

Ngày tải lên: 25/01/2014, 19:20

... the newly relocated species will cause problems for the existing ecosystems, such as by out-competing native species for food and habitat (i.e., becoming “invasive”) or by introducing new diseases ... while assisted colonization refers to management efforts to help the species thrive in its new location. A New Era for Conservation: Review of Climate Change Adaptation Literature Mar...

Ngày tải lên: 25/01/2014, 20:20

... 2043 v 1.2 June 24, 2009 Introduction 0 Introduction 0 With the introduction of new devices and extended character sets, new features may be added to this International Standard. Subclauses in the ... Standard. They are retained because of their widespread use, but their use in new implementations (for implementation features) or new programs (for language [6.11] or library features [...

Ngày tải lên: 26/01/2014, 07:20

... elaborated on the first sentence or were unrelated to it: Newton became emotionally unstable and insecure as a child Newton’s father died when he was born Newton’s mother remarried and left him with his ... or obscured by newly formed memory traces created by new information being added to memory. 3. The retrieval cues used to access memory traces are lost. The process of learning new info...

Ngày tải lên: 26/01/2014, 07:20

... of documentation for the usage can be a useful aid in estimating the cost of future ports to new platforms. Rev 95.1 The cost/benefit of any extensions that are used shall be evaluated and documented. Dev 95.1 Use ... program execution (e.g., the values 354 FLT_EVAL_METHOD assigned to argv on program startup). 171 argv values C90 Although C90 specifies that implementation-defined values...

Ngày tải lên: 26/01/2014, 07:20

... range available in the type double). 499 the set of values of the type double is a subset of the set of values of the type long double.double values subset of long double Commentary This is a requirement ... b e min −1 *_MIN macros FLT_MIN 1E-37 DBL_MIN 1E-37 LDBL_MIN 1E-37 Commentary These values correspond to a FLT_RADIX value of 10 and the exponent values given by the * _MIN_10_E...

Ngày tải lên: 26/01/2014, 07:20