Professional ASP.NET 1.1 [Electronic resources] نسخه متنی

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Professional ASP.NET 1.1 [Electronic resources] - نسخه متنی

Alex Homeret

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Use Early Binding to Components


Early binding provides a noticeable performance increase for components that are used in ASP.NET pages. The actual performance hit from late-bound components depends on the amount of transferred data. However, for a component that has to marshal strings, an approximate measure of performance can be gauged from the following comparisons:



COM or COM+ components using late binding provide around the same level of performance as in ASP 3.0 with VBScript.



COM or COM+ components using early binding (for example, components wrapped with the

tlbimp utility) provide around 50 percent better performance than in ASP 3.0 with VBScript.



Early-bound .NET components provide around three times better performance than the equivalent COM or COM+ components using late binding in ASP 3.0 with VBScript.



All the .NET objects provided by the framework, including all ASP.NET server controls, are automatically early-bound. The instantiate/destroy cycle is also very efficient under the .NET framework, and stateful components (components that cannot be pooled in Component Services or MTS) are acceptable.

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