Retrieve BLOB Field from Oracle DB Using ASP.NET

At this article, I will demonstrate How to

Read BLOB  field from Oracle using Generic Handler in ASP.NET.


What’s the Generic Handler in ASP.NET?

Some ASP.NET files are dynamic. They are generated with C# code or disk resources. These files do not require web forms. Instead, an ASHX generic handler is ideal.

It can return an image from a query string, write XML, or any other data.to know more about Generic Handler check this.


Generic Handler (ASHX) VS Web Forms (ASPX)

The WebForms (ASPX) can be used in

  • Simple Html Pages.
  • ASP.Net Custom Controls.
  • Simple Dynamic Pages.

The Handlers(ASHX) can be used with

  • Binary files.
  • Dynamic Image Views.
  • Performance critical web pages.
  • XML files.
  • Minimal Web Pages.

Steps: Continue reading Retrieve BLOB Field from Oracle DB Using ASP.NET
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Missing design view after editing Front-Code of Web User Control in ASP.NET

In this article, I am gonna to solve the below issue

The design view is out of sync with source view in Visual Studio.

Scenario

I have a web user control within a page in ASP.NET web application,

The design view is out of sync with source view in Visual Studio

I have tried to edit the Front-code, I got unexpected behavior! where the ASP.NET controls disappeared and the design view became out of sync.


Cause Continue reading Missing design view after editing Front-Code of Web User Control in ASP.NET

To display the webpage again, the web browser needs to resend the information

I got this warning message from Internet Explorer when an ASP.Net Page tried to do PostBack.

To display the webpage again, the web browser needs to resend the information you have previously submitted.

To display the webpage again, the web browser needs to resend the information


Cause

Continue reading To display the webpage again, the web browser needs to resend the information