Validating length of textbox

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.Visit Stack Exchange In a Win Form I'm doing initial validation in the Form. To make the code short only three fields are shown in the code. Net to validate texts for either searching patterns or restricting user input in a textbox. Net, you can use the Max Length property to restrict user input for a maximum length.I was wondering if there is a way I can validate the length on a password box? Thanks guys for your input but I don't want to use javascript as I am already using other validators (required, compare).It works because it is just a string literal, and it will end up being client javascript not server-side c#. However ,remember that, javascript can be easily disabled and can create validation issues.You can add this to the control from the C# similarly to this. So server side validation(like using regular expression validator ) is quite essential.Generally, this method returns the same result as to Lower Case() method.

in case extra validation like restricting validation to some of the controls only, that would be decided at the function calling level.

In my windows form projects , i have validated the fields using Boolean method.

Find the below sample screen shot for validating the fields before saving the data Img 3: Validation method Here I have validated the fields using the Boolean method, If all the field values are entered properly it will return true, other wise it will return false and will display an error message.

Server side validation(using various validators or manually validating the input in code behind) is REQUIRED with or without javacript validation.

In your case, as 6000 chars are to be passed, you better use javascript validation too .

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