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How Can I Efficiently Convert Between Integers and Hexadecimal Values in C#?

Barbara Streisand
Barbara StreisandOriginal
2025-01-30 06:16:09875browse

How Can I Efficiently Convert Between Integers and Hexadecimal Values in C#?

The convenient conversion of integer and hexadecimal value in the c#

Question:

How to transform between integer and hexadecimal values ​​in C#? This conversion is necessary for expressing user ID as shorter and more convenient.

Answer:

The integer is converted into hexades

To convert the integer to its hexadecimal representation, please use the Tostring ("X") method. For example:

Sixteen -in -made transition to integer

<code class="language-csharp">int intValue = 2934;
string hexValue = intValue.ToString("X"); // 结果:"B76"</code>
To convert the hexadecimal string back to the integer, please use the PARSE method and system.globalization.numbertyles.hexnumber style:

Custom:

<code class="language-csharp">string hexValue = "B76";
int intAgain = int.Parse(hexValue, System.Globalization.NumberStyles.HexNumber); // 结果:2934</code>
To specify the number of hexadecimal numbers, use Tostring ("X4").

To get a lowercase hexadecimal number, use Tostring ("X4").

    Additional description:
  • If the input string is not an effective hexadecimal representation form, the PARSE method will cause Formatexception to abnormal.

For more conversion numbers (more than 2^32), you can use UINT32 or UINT64 type.

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