October 2010
Intermediate to advanced
1920 pages
73h 55m
English
Content preview from ASP.NET 4 UnleashedQuerying with the
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Querying with the RangeExpression
If the filter you’re looking to apply can be expressed as a range expression, this control can do the trick. A range expression is an expression in which you test whether a value is less than or greater than a target value or falls within a target range. This is a versatile expression, as shown in the following sample that filters a data source for rows in which the transaction posting date occurred within the two date periods chosen by the user with two text boxes that have jQuery-based calendar pop-ups feeding them (jQuery code is not included here because it’s beyond the scope for this chapter):
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