Simple Linq to Change column positions

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Solution of the Day: Change Column Positions with Simple LINQ

Ever wondered how to efficiently rearrange column positions in a DataTable without the hassle of manually typing each column name? Check out this simple LINQ solution!

Input Columns Order: {“PR Number”,“RFP Template”,“RFQ”,“Revenue/CAPEX”,“RFQ_SAP”,“Remark”}

Output Columns Order: {“PR Number”, “RFQ”, “RFQ_SAP”, “Revenue/CAPEX”, “RFP Template”, “Remark”}

Learn how to use LINQ to reorder columns in a DataTable effortlessly by specifying the desired column order in the ToTable method, streamlining your data manipulation process.

Utilize LINQ to rearrange columns by defining the column names in the preferred order within the ToTable method.

LINQ Query:
dt_Output = dt_Input.DefaultView.ToTable(False, {“PR Number”, “RFQ”, “RFQ_SAP”, “Revenue/CAPEX”, “RFP Template”, “Remark”})

  • The False parameter signifies no need for distinct data output.
  • The array lists the column names in the desired sequence.

Extra Tip :collision: :
For handling numerous columns efficiently:

  1. Open the sheet in Excel.
  2. Click on a blank cell.
  3. Input the formula =A1:H1 (replace with your actual column header range).
  4. Press Ctrl + Alt + f9(Key)
  5. Hit Enter for a comma-separated list of all column names.

Rearrange Columns using ToTable, avoid distinct operations, and specify the new column order with an array of column names. Streamline your data manipulation with LINQ!

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2024-07-27

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I was very interested in LINQ, thank you for the good information :slight_smile: