using autoincrementing columns without causing conflicts

... categoryNameTextBox.Text; [ Team LiB ] Recipe 4.1 Using Auto-Incrementing Columns Without Causing Conflicts Problem You want to use an AutoIncrement column in a table without producing values that may be ... AutoIncrementWithoutConflictForm.cs // Namespaces, variables, and constants using System; using System.Configuration; using System.Data; using System.Data.SqlClient; // Table name constants private ... DataColumn[] {col}; // Add the other columns. col = dt .Columns. Add(CATEGORYNAME_FIELD, typeof(System.String)); col.AllowDBNull = false; col.MaxLength = 15; dt .Columns. Add(DESCRIPTION_FIELD,...

Ngày tải lên: 21/01/2014, 11:20

... ChildAggregateForm.cs // Namespaces, variables, and constants using System; using System.Configuration; using System.Data; using System.Data.SqlClient; // Table name constants private ... ds.Tables[ORDERS_TABLE] .Columns[ ORDERID_FIELD], ds.Tables[ORDERDETAILS_TABLE] .Columns[ ORDERID_FIELD], true); // Create the expression column for the line total. orderDetailTable .Columns. Add("OrderDetailTotal", ... [ Team LiB ] Recipe 3.7 Using Expression Columns to Display Aggregate Values Problem You want to add summary information such...

Ngày tải lên: 21/01/2014, 11:20

... ConfigurationSettings.AppSettings["Sql_ConnectString"]); da.Fill(dt); // Add an expression column to the table. dt .Columns. Add(new DataColumn("ExtendedPrice", typeof(Decimal), "(Quantity * UnitPrice) ... is created with a data type of Decimal. The column calculates the extended price for the column using the expression (Quantity * UnitPrice) * (1 - Discount). After the column is added to the...

Ngày tải lên: 21/01/2014, 11:20

... Publisher. All rights reserved Case report A case of mistaken identity: Asystole causing convulsions identified using implantable loop recorder. Khalil Kanjwal, Beverly Karabin, Yousuf Kanjwal,...

Ngày tải lên: 26/10/2012, 08:57

... layout with a positioned sidebar Floated Columns There are a number of reasons why you might want to use floated columns, rather than positioned columns, in this layout. For example, if you ... is that, once they are magnified, columns of text disappear off the edge of users’ screens, never to be found again! Since we know how to build site layouts using CSS, we can help these users ... liquid layouts: by either pos- itioning or floating the columns. 281 Licensed to siowchen@darke.biz Chapter 10: Fixed-width Layouts Positioned Columns To use absolute positioning to add a second...

Ngày tải lên: 18/10/2013, 01:15

... CommandBuilderKeywordConflictForm.cs // Namespaces, variables, and constants using System; using System.Configuration; using System.Data; using System.Data.SqlClient; using System.Data.OleDb; // . . . private void ... LiteralValue column. [ Team LiB ] [ Team LiB ] Recipe 4.14 Overcoming Keyword Conflicts When Using CommandBuilders Problem Your data includes table and column names that conflict ... contains two event handlers: Preview Button.Click Displays the delete, insert, and u pdate commands using the delimiters specified by the user for the QuotePrefix and QuoteSuffix properties, and...

Ngày tải lên: 24/10/2013, 11:15

... Inherited: Yes See also: list-style , list-style-type Value The property takes a CSS URL (using the url() wrapper), or none . Initial value: none Compatibility CSS Version: 1 This ... line-breaking routine is used. This is the preferred method for modern typography, especially where narrow columns may exist. With this property, you can specify that a stricter, more traditional method ... rendered height of the line. A setting of 1.0 will crowd the lines together as closely as possible without overlapping characters, while a setting of 1.2 will leave a more natural amount...

Ngày tải lên: 24/10/2013, 20:15

... he padding area of that ele- ment. Padding may be set individually for each side of an element using padding-bottom , padding-left , padding-right , and padding-top properties. Inherited: N ... n element act as a positioning context for one or more absolute positioned child elements, without moving it from its normal place in the document flow. Initial value: static Compatibility ...

Ngày tải lên: 24/10/2013, 20:15

... browsers. Example This style rule creates a one-centimeter hanging indent on all paragraphs by using a negative text-indent in combination with a padding-left value of the same size: p...

Ngày tải lên: 29/10/2013, 03:15

... n, tutorial-style title that shows you how to implement slick DHTML functionality for browsers that can handle it, without causing problems in browsers that can’t. It’s essential reading for those who wa ... teaches the basics of using CSS and tables for liquid (aka “stretchy”) design. I found its primary value to be in the clarity with which you could see the distinction between using tables and ... with a footer, 238 skip navigation and, 252 styling, 191–213, 268–273 wrapping round floated columns, 284 content order problem, 251 content overflows, 410, 453 content repurposing (see...

Ngày tải lên: 29/10/2013, 03:15

... three-column layout example, 217–257 display in IE6, 231 full-height columns, 244–251 markup with a footer, 236 unstyled display, 237 using float, 240 tiled background images, 90, 91, 180 tiling ... 179, 307 highlighting text headings, 24, 119 mouseover effects, 28 table rows, 88, 90, 278 using <span>, 112 horizontal navigation, 186–189 horizontal spacing, text, 125 hover pseudo-class, ... 232, 236 forms newsletter subscription, 229 search form, 210 forward slash, 104 full-height columns, 244–251 G generated content, 342 generic font families, 97–99, 108 Macintosh and Windows,...

Ngày tải lên: 08/11/2013, 03:15

... // Namespaces, variables, and constants using System; using System.Configuration; using System.Windows.Forms; using System.Text; using System.Data; using System.Data.SqlClient; private ... Pessimistic Concurrency Without Using Database Locks Problem You need the safety of pessimistic locking without the overhead of database locks. Solution Use extra columns and stored procedures ... simulates pessimistic locking by adding two columns to each table in which locking is simulated as shown in Table 6-20 . Table 6-20. Pessimistic locking columns Field Data type Length Allow nulls?...

Ngày tải lên: 14/12/2013, 18:16

... Example 7-34. File: UsingDesignTimeFeauresWithComponentsForm.cs // Namespaces, variables, and constants using System; using System.Data; // . . . private void UsingDesignTimeFeauresWithComponentsForm_Load(object ... special-purpose classes in the .NET Framework: [ Team LiB ] Recipe 7.17 Using ADO.NET Design-Time Features in Classes Without a GUI Problem The design-time environment provides controls and ... updateButton_Click(object sender, System.EventArgs e) { // Update the table to the data source using the component. Component0717 c = new Component0717( ); c.Update(((DataView)dataGrid.DataSource).Table);...

Ngày tải lên: 14/12/2013, 18:16

... default way of displaying web pages using its own internal style sheet. So, a first-level heading enclosed in <h1> and </h1> tags will be displayed using a relatively large font in ... browser page display behavior 7 Licensed to siowchen@darke.biz HTML Utopia: Designing Without Tables Using CSS clip 340 color 341 content 342 counter-increment 345 counter-reset 347 cue ... http://www.sitepointforums.com/ xv Licensed to siowchen@darke.biz HTML Utopia: Designing Without Tables Using CSS Sort Order 142 Specificity 144 Origin 146 Weight 147 Summary 147 8. Simple...

Ngày tải lên: 22/01/2014, 02:20

... 500 page hard-copy CSS Book Now!52 HTML Utopia: Designing Without Tables Using CSS by Dan Shafer HTML Utopia: Designing Without Tables Using CSS by Dan Shafer Copyright © 2003 SitePoint Pty. Ltd. Editor: ... Cursor on the Fly 269 HTML Utopia: Designing Without Tables Using CSS Order this 500 page hard-copy CSS Book Now!vi HTML Utopia: Designing Without Tables Using CSS (Chapters 1, 3, 4, and 5) Thank ... Now! HTML Utopia: Designing Without Tables Using CSS Dealing with Broken Browsers 46 Summary 47 3. Digging Below The Surface 49 Applying CSS to HTML Documents 50 Using Shorthand Properties 51 How...

Ngày tải lên: 24/01/2014, 19:20

Ngày tải lên: 26/01/2014, 20:20

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Ngày tải lên: 26/01/2014, 20:20

Ngày tải lên: 26/01/2014, 20:20

Ngày tải lên: 26/01/2014, 20:20