![]() The choice of method depends on the specific requirements of the application and the preference of the developer.I am looking to convert a Database Field that is a String to Hexadecimal for an encoded RFID tag. All of these methods are efficient and provide different ways to achieve the same result. The first method used the BitConverter class, the second method used the StringBuilder class, and the third method used was LINQ. In this blog, we explored three different methods for converting a string into its hexadecimal representation in C#. The resulting sequence of strings is then concatenated into a single string using the Concat method of the string class. In this method, we first use the Select method of the Enumerable class to project each character of the input string into its hexadecimal representation using the ToString method with the "X2" format specifier. String hex = string.Concat(str.Select(c => ((int)c).ToString("X2"))) It can also be used to convert a string into its hexadecimal representation. LINQ is a powerful language feature in C# that provides a concise and expressive syntax for querying and manipulating data. Finally, we concatenate all the resulting strings to obtain the final hexadecimal representation of the input string. This specifier ensures that each value is represented by two digits. We then loop through each character in the input string and convert its ASCII value into its hexadecimal representation using the ToString method with the "X2" format specifier. In this method, we first create a new instance of the StringBuilder class. This class provides methods for manipulating strings in a more efficient way than using the string class directly. Method 2: Using the StringBuilder ClassĪnother way to convert a string into its hexadecimal representation is to use the StringBuilder class. The Replace method is used to remove the hyphens that are present in the output. We then pass this byte array to the BitConverter.ToString method, which converts the byte array into its hexadecimal representation. This gives us an array of bytes that represent the ASCII values of the characters in the string. In this method, we first convert the string " Hello World" into a byte array using the GetBytes method of Encoding.ASCII class. String hex = BitConverter.ToString(bytes).Replace("-", "") Here's a sample program that demonstrates this method: string str = "Hello World" īyte bytes = (str) To convert a string into its hexadecimal representation, we can use the GetBytes method of the BitConverter class to get a byte array of the string and then use the BitConverter.ToString method to convert the byte array into its hexadecimal representation. NET class that provides methods for converting between different data types. C# provides multiple ways to achieve this conversion, and in this blog, we will explore some of the most common methods. ![]() ![]() This is a common task when dealing with data transmission, encryption, and other security-related scenarios. In many programming scenarios, there is a need to convert a string into its hexadecimal representation.
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