Answer / Deependra Verma

sqlDataAdapter in C# is used to fill a DataSet by executing SQL commands against a data source, and it can also update the data source based on changes made to the DataSet.

f i give input like 1,1,4,5,6,1,2,5,4,1,2, then output should be like : 1-4, 2-2, 4-2, 5-1, 6-1 which means 1 occurs 4 times, 2 occurs 2 times like so.

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