DevExtreme helpers remote datasource.

Nuget link: https://www.nuget.org/packages/Bharat.DevExtreme.Helpers.DataSource/

var Builder = new WhereClauseBuilder();
var json = "[\"CustomerID\",\"=\",\"ALFKI\"]";
var jarray = JArray.Parse(json);
var sqlWhereClause = Builder.BuildFor(jarray);

Outputs:

CustomerID = "ALFKI"

In sql you can write

Exec('Select * from customers where ' + @sqlWhereClause);

There is an overloaded version of WhereClauseBuilder you can provide your own implentation ISQLColumnProvider if you are using table aliases you can customize there.