What ports must be open for DCOM over a firewall? What is the purpose of Port 135?

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Explain exception filters?

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Which protocol is used to call web service?

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Explain serialization and deserialization?

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I am using ASP.Net 2.0. I added the following code in button_Click page. but 'PreviousPage' is not taking as a keyword. It throughs an error. Page Poster = this.PreviousPage; TextBox txtNewTest = (TextBox)Poster.FindControl("txtTest"); sDisplay = txtNewTest.Text; Response.Write(sDisplay); The following is the Error Message: 'controls_LoginMain' does not contain a definition for 'PreviousPage'

2 Answers  

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Types of instancing properties and explain each. Tell the difference between multiuse,singleuse and globalmultiuse and which is default ?

0 Answers   DELL,

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what is Master pages in asp.net? what is the advantages and disadvantages?

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What is sta?

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What is ipostback?

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what is session ?how sessions are handeled in application? write the clauses of sql server in their order.

3 Answers   Olive Tech,

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What are the asp.net 2.0 features?

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Explain the various authentication mechanisms in asp.net.

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