Dynamic columns via DynamicObject

This might be obvious to some of you, but I thought of writing a small post, since it has a nice example of the usage of  .NET 4. DynamicObject.

Recently I had a requirement where I had to dynamically generate a tabular data (rows/cols) and use that data for Json serialization.

There are few ways of implementing this. The below example uses the .NET 4. DynamicObject to generate custom columns. I found this is quite easier and cleaner to implement than the tradition reflection based approach.

var columnsSet1 = new List<Col>() {new Col("row1Col1"),
new Col("row1Col2"), new Col("row1Col3")};
var columnsSet2 = new List<Col>() {new Col("row2Col1"),
new Col("row2Col2"), new Col("row2Col3")};

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