By Scott Mitchell
Using the extra complex beneficial properties of the information internet Controls has many builders stumped. those controls are quite uncomplicated to exploit by way of uncomplicated facts exhibit. in spite of the fact that, they could do even more than purely current facts. for instance, the DataGrid internet keep watch over allows sorting, paging, and enhancing of information. additionally, those controls permit for templating of knowledge, that are used to supply extra complicated perspectives. The DataGrid, DataList, and Repeater discussion board at the Microsoft ASP.NET boards obtained greater than 2,100 posts within the first month and a half use, or over 35 posts in step with day on commonplace. because the internet grasp of an ASP.NET site, Scott has additionally bought a variety of emails from readers and viewers asking questions on those net Controls. ASP.NET information net Controls may be an quintessential merchandise in each ASP.NET developer's toolbox.
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Additional resources for ASP.NET Data Web Controls Kick Start
Note that in line 3 we specified that the table should have a Width of 50% (this is relative to the Web page). The second BoundColumn (lines 15 18) displays the price of the book. Line 16 sets the DataFormatString so that the value will be formatted as a currency. On line 17, the column values are specified to be right-aligned, and on line 18, the Width of the column is set to 15% (of the total width of the table). The last BoundColumn (lines 20 23) displays the year-to-date sales. The DataFormatString on line 21 indicates that there should be a comma separating each of the three digits.
Because the overall table width is defined to be 50% of the page (see the Width property on line 3), if we shrink the browser or lower the monitor resolution, the second column's text will remain all on one line, and the Title column's text will start wrapping. Eval() method call on lines 19 and 21 uses three parameters instead of the two we've seen thus far. Format() method or the BoundColumn control's DataFormatString property. Hence, on lines 19 and 21 the value of the ytd_sales and price fields are formatted as currency (recall that the c applies a currency format).
We can then set the properties of that "ItemStyle" property by specifying them as attributes in the tag. For example, on line 10, we set the BackColor and ForeColor of the HeaderStyle to Blue and White, respectively. On line 5 we set the ItemStyle's Font property's Size object to 8 point. On line 7 we set the AlternatingItemStyle's BackColor property to #dddddd, which is a light gray. This has the effect of alternating the background color between white and light gray for each alternating row in the DataList.