How to Convert Column Numbers to Excel Column Names in C#?

C#, the EXCEL column number is converted into the name

In the electronic meter operation, the column number is often converted to excel name, especially when dealing with large data sets. Although automation tools can simplify this process, this conversion can also be performed directly in C# without relying on Excel automation.

For example, convert the column number 127 to its corresponding Excel list name:

Initialized empty string:
1. This string will be stored in the name of the storage.
   Circular traversal:

2. Calculate the quotes of the 26 to determine the remaining number.

   Use the ASCII value of 'a' plus the remainder to convert the remainder to characters. This character represents a column in Excel.
   • Attach this character to the beginning of the string.
   • Divide the column number with 26 and repeat this process until the column number is 0.
   Return to the string:
   This string now contains the excel name corresponding to the original column number.

3. For example, to change 127, the cycle will work as follows:

127 % 26 = 7, ascii ('a') 7 = 'h'

127 /26 = 4, the remaining number is 23, ascii ('a') 23 = 'x'

4 /26 = 0, stop cycle
• Therefore, 127 will be mapped to "HX" (the previous error calculation was fixed).
• Implementing this method in C# code:

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