WPF DataGrid to AutoGenerate Columns While I try to open the file With .resex or .txt extension

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WPF

HI mates

I want to dynamically generate columns in the datagrid. But based on the .txt file selected.
My code is like:

var openFileDialog = new OpenFileDialog
CheckFileExists = true,
DefaultExt = ".txt"
Filter = "Resource files|*.txt";
Title = "Select Resource File";

After opening the file locally, when select that .txt file and click open
then the filename should be genereated in the datagrid.

Thanks in advance

Regards
Pavankumar