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Mayank Modi

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Hi there, I am Mayank, the man behind Technical Mack. I started AspnetO with a motive to educate people on various programming languages ranging from beginners to expert level. Through this blog, I aim to provide more insightful content.

A potentially dangerous Request.Form value was detected from the client Error...

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While working on an Asp.net web projects, We sometimes got an issue like A potentially dangerous Request from the client. . . What does this error means?...

Format JSON Date String To Local DataTime Object Using JavaScript

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Now here in this tutorial, I'll explain how to format JSON date string and convert into a valid local datatime object using JavaScript with...

Disable Submit Button Once Form Is Submitted Using jQuery

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If you want to prevent form submission more than one time after form is submitted, you must need to disable submit button once it's...

Set Asp.net DropDownList Selected Value in JavaScript

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Now here in this tutorial, I'll explain how to set the asp.net dropdownlist selected value text from client-side using javascript as well as jquery...

Image Preview Before Upload Using jQuery or JavaScript in Asp.net

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Here in this tutorial, I will explain how to Image Preview Before Upload Using jQuery or JavaScript it to server in .net via fileupload...

Tooltip: Show Hide Hint Help Text Example in CSS3 Transition

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Now here in this tutorial, I'll explain how to show hide tooltip with hint or help text when user mouse hover the link or...

How to bulk insert in SQL server from CSV File? [SQL...

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In my previous tutorials, I'd explained get gridview selected row hiddenfield value using jquery, how to keep gridview selected rows during paging, how to...

Best 100+ Frequently Asked Interview Questions in .Net SQL

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In this tutorial, I'm going to post common and frequently asked technical interview questions in .net sql oops with answers for fresher as well...

Show Confirm Message Box from Code-behind in Asp.net

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In my previous tutorials, I'd explained how to show confirm message box using javascript, how to show alert message from code-behind, how to call...

Confirm Message Box in JavaScript Example For Asp.net

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In my previous tutorials, I'd explained how to show confirm message box from code-behind, how to call javascript function from code-behind, how to show...
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