Excel Workbook

Power BI is a powerful data visualization tool that helps users to represent data in an intuitive and insightful way. One of the key features of Power BI is its ability to connect to a variety of data sources. Among these data sources is the Excel Workbook data source. In this article, we will explore the Power Query M Language Code for connecting to the Excel Workbook data source from inside Power BI.

What is Power Query M Language Code?

Excel Workbook

Power Query M Language Code is a formula language used to extract, transform, and load data. It is an essential tool for data analysts and BI professionals who work with large data sets. The Power Query M Language Code is used to connect to data sources, create queries, and transform data into the desired format.

Connecting to the Excel Workbook Data Source

Power BI allows users to connect to an Excel Workbook data source in several ways. One way is to use the Power Query Editor. The Power Query Editor is a user interface that allows users to perform data transformations and connect to data sources, including the Excel Workbook data source.

To connect to the Excel Workbook data source from inside Power BI, follow these steps:

1. Open Power BI and navigate to the Home tab.

2. Click on the Get Data button and select Excel.

3. Navigate to the location of your Excel Workbook and select it.

4. In the Navigator window, select the worksheet you want to load into Power BI.

5. Click on the Edit button to open the Power Query Editor.

6. In the Power Query Editor, you can perform various data transformations that will be applied to your data.

7. Once you have finished transforming your data, click on the Close & Apply button to load your data into Power BI.

Power Query M Language Code for Connecting to the Excel Workbook Data Source

The Power Query M Language Code is used to connect to the Excel Workbook data source from inside Power BI. The code is written in the Advanced Editor of the Power Query Editor.

To connect to an Excel Workbook data source using the Power Query M Language Code, follow these steps:

1. Open Power BI and navigate to the Home tab.

2. Click on the Get Data button and select Excel.

3. Navigate to the location of your Excel Workbook and select it.

4. In the Navigator window, select the worksheet you want to load into Power BI.

5. Click on the Edit button to open the Power Query Editor.

6. Click on the View tab and select the Advanced Editor.

7. In the Advanced Editor, you can write the Power Query M Language Code to connect to your Excel Workbook data source.

The following is an example of the Power Query M Language Code for connecting to an Excel Workbook data source:

let

Source = Excel.Workbook(File.Contents(“C:UsersusernameDocumentsExcelWorkbook.xlsx”), null, true),

Sheet1_Sheet = Source{[Item=”Sheet1″,Kind=”Sheet”]}[Data],

#”Promoted Headers” = Table.PromoteHeaders(Sheet1_Sheet, [PromoteAllScalars=true]),

#”Changed Type” = Table.TransformColumnTypes(#”Promoted Headers”,{{“Column1”, type text}, {“Column2”, type text}})

in

#”Changed Type”

The code above connects to an Excel Workbook data source and loads the data from Sheet1 into Power BI. The data is then transformed using the Table.PromoteHeaders and Table.TransformColumnTypes functions.

Conclusion

The Power Query M Language Code is a powerful tool for connecting to the Excel Workbook data source from inside Power BI. It allows users to perform data transformations and extract insights from their data. By following the steps outlined in this article, you can easily connect to your Excel Workbook data source and begin analyzing your data in Power BI.

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