Web Forms :: How To Check Every Character Which Comes From Database

Jul 11, 2010

i want to some checking every word which comes from database .

I want to check every character and charactor , so how can i done it ?

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I want to validate in server side, Suppose I have entered first numeric and another chars,I don't want to allow first numeric then how to validate in server side 

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i have a textbox in my web form and i want to input any word with any character. so, only i want to check length of textbox less than 200 character. how can i do it with regular expression? and if i want to block some character how can i do it?

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[Code]....

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C# - Apply Client Side Validation On Fileupload Control To Check Filename Contain Special Character?

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I am working on ASP.NET3.5 platform. I have used a file upload control and a asp button to upload a file. Whenever i try to upload a file which contain special characterlike (file#&%.txt) it show crash and give the messeage "Server Error in 'myapplication' Application." A potentially dangerous Request.Files value was detected from the client (filename="...New Text &#.txt"). Description: Request Validation has detected a potentially dangerous client input value, and processing of the request has been aborted. This value may indicate an attempt to compromise the security of your application, such as a cross-site scripting attack. You can disable request validation by setting validateRequest=false in the Page directive or in the configuration section. However, it is strongly recommended that your application explicitly check all inputs in this case.

Exception Details: System.Web.HttpRequestValidationException: A potentially dangerous Request.Files value was detected from the client (filename="...New Text &#.txt"). Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. how can i prevent this crash using javascript at client side?

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Forms Data Controls :: Change The Column Name - "Remove First Character And After 3rd Character Insert Colon

Jan 14, 2011

My issue is that , need to change the column name(following format "Remove first character and after 3rd character insert colon") of the gridview (which is binded with XMLTextReader). Without changing directly XML file, Required to change the column name dynamically at runtime .

Performance.xml

<Performance>
<Departments>
<Heading>FS</Heading>
<S0015>1</S0015>
<S0020>2</S0020>
<S0025>5</S0025>
<S0030>5</S0030>
<S0035>6</S0035>
</Departments>
<Departments>
<Heading>BS</Heading>
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<S0020>3</S0020>
<S0025>5</S0025>
<S0030>1</S0030>
<S0035>3</S0035>
</Departments>
</Performance>

Heading S0015 S0020 S0025 S0030 S0035
FS 1 2 4 5 6
BS 0 3 5 1 3
Required Format: Remove first character and after 3rd character insert colon (S0015 -- 00:15)

Heading 00:15 00:20 00:25 00:30 00:35
FS 1 2 4 5 6
BS 0 3 5 1 3

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Norwegian character( å æ ø) does not show instead showing some strange character.

used function below:

utf8 = System.Text.Encoding::get_UTF8();

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I want to insert the symbol α (alpha) to the database.

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I have a table that contain special characters and when the user search for nguyen I want to return string that contain Nguyễn or nguyen or any other nguyen variations.

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InvalidUserName In CreateUser When Creating User With Character Before The @ Character

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I looked up the msdn documentation and it says that InvalidUserName is thrown when it does not find the username in the database, which is fine because the user I am creating should not exist in the database. If I use test@example.com, it works, but if I try it with test.@example.com, the status from Membership.CreateUser is InvalidUserName.

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Convert A 40 Character SHA1 Hash To A 20 Character?

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I have a legacy MySQL database which stores the user passwords & salts for a membership system. Both of these values have been hashed using the Ruby framework - roughly like this:

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Sep 20, 2015

I am learning a tutorial, it is about saving mp3 files in database.

Have a look below picture i  can upload a mp3 file multiple time with the same name how to avoid it?

[URL] ...

protected void btnUpload_Click(object sender, EventArgs e)
{
using (BinaryReader br = new BinaryReader(FileUpload1.PostedFile.InputStream))
{
byte[] bytes = br.ReadBytes((int)FileUpload1.PostedFile.InputStream.Length);
string strConnString = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;

[Code] .....

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In the registration page of my project i want to check whether the enterd userid is available in database or not without sendig the whole page to server and i made userid as a primery key.

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I want to read a line character by character, in the sense I want to read each and every character on the line. can I can make that line as a string. breaking string into substrings ? if possiblw how.? I m unable to start. can anyone give the code.

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I need a sample how I can check checkboxes in repeater using SQL statement. The checkboxes within repeater are populated fine and are named with ObjectName value from database but I just need to checked those values that are returned by a select statement:

private void CheckUserLocations()
{
// user reference that is currently viewed [code]....

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