How To Remove Duplicate Rows In Excel Using C#

This article demonstrates how to remove the duplicate rows in an Excel file in C and VBNET using SpireXLS for NET. 1 Read all the data from the sheet into memory assuming its not excessively large.

How To Remove Duplicates In Excel Delete Duplicate Rows With A Few Clicks

Here you create the self-join by making use of 2 things which are given below In the on condition you check the duplicate columns.

How to remove duplicate rows in excel using c#. Livehed reference the Microsoft Excel 100 Object Library in your project. I want to write from my form in C to an excel spread sheet and delete certain rows if blank. Remove duplicate rows from excel using spirexls c.

In the where condition you compare the primary key columns of the tables. To remove duplicate rows using this command. Select the range of cells that has duplicate values you want to remove.

After executing above code data of row 12 and column B in the original Excel file is deleted you can make a comparison of both original Excel file and the target Excel file as below. Now the most important and critical is to select only the column to be validated and expected to be unique. Hi I am working on an C Winforms application.

To delete duplicate rows that have completely equal values in all columns leave the check marks next to all columns like in the screenshot below. Select the column name to be used to determine whether to remove duplicate rows. Namespace RemoveDuplicateRows class Program static void Mainstring args Create a Workbook instance Workbook workbook new.

The Remove Duplicatescommand is located in the Data Tools group within the Datatab of the Excel ribbon. Hi all Im trying to remove the duplicate rows from excel files in the fastest way possible. I initially tried the below code but its very slow private void RemoveDuplicateWorksheet sheet.

Select any cell within the data set that you want to remove the duplicates from and click on the Remove Duplicatesbutton. If you have specific question then ask here. Go to the Data tab Data Tools group and click the Remove Duplicates button.

One of them is My Data that has headers that will exclude the header row from matching. May 22 2021 139 AM. Set the following using statement.

Delete rows and columnsjpg. Now just click on the Remove Duplicates button this will produce a dialogue that will have all the column titles and a few useful commands. How to Duplicate a Row in Excel in C VBNET Sometimes we need to copy the data with formatting from one cell range a row or a column to another.

My question is how do I programmatically delete a particular row in excel sheet. Select the range you want to remove duplicate rows. Click Data Remove Duplicates and then Under Columns check or uncheck the columns where you want to remove the duplicates.

The Remove Duplicates dialog box will open you select the columns to check for duplicates and click OK. It is an extremely easy work in MS Excel because we can select the source range and then use Copy and Paste function to insert the same data in destination cells. The main goal of this article is to create a function and remove and select unique records from a.

You can insert and update rows but deleting is not allowed. If a database table contains duplicate records then it is easy to select unique records by using DISTINCT function but when a NET DataTable contains duplicate records then there is no built-in function to remove or select unique records from a DataTable. On Data tab click Remove Duplicates in the Data Tools group.

Try to do one by one google will help you. 2 Use LINQ or vanilla C to filter the data Id recommend LINQs Where and Distinct operators myself. Accept Solution Reject Solution.

3 Use the Excel API to write the data that remains into a new sheet. Step 3 A Remove Duplicate window will be shown. Using Excel MicrosoftOfficeInteropExcel.

Reading excel file 3. If you want to delete all duplicate rows in the worksheet just hold down Ctrl A key to select the entire sheet. In this section I have introduced a solution on how to delete Excel rows and columns in C VBNET.

If your application is not running on a server you could always use Excel interop to delete the row but not through OleDb. Upload excel file 2. In your class declare the following.

You cant delete rows in Excel with OleDb. I can write perfectly fine to a speadsheet and save it but lets say the user entered data into row a1 a2 a3 and a4 I now want to delete all the rows in between a4 and a29. In the Data tab click on Remove Duplicates.

Saving to text file etc. Remove any outlines or subtotals from your data before trying to remove duplicates. All I need is to find out how to delete a certain range of cells.

Below is the screenshot of the input Excel file. Self Join which is an Inner Join on the same table can also be used to remove duplicate records.

How To Remove Duplicate Rows In Excel