How can I passing dataset to your visual studio report viewer

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C#

C#4.0

Hello guys,

How can I pass dataset to report viewer in visual studio. Note I already create the dataset I just need to pass it?

All I get so far is this.

string sql = "SELECT * FROM product where dat>='" + yy + "' and dat<'" + xx + "'and product_sold>0 and total >0";
            SqlDataAdapter dscmd = new SqlDataAdapter(sql, con);
            DataSet5 ds = new DataSet5();
            dscmd.Fill(ds, "product");
MessageBox.Show(ds.Tables["product"].Rows.Count.ToString());

Now, I want to pass to report viewer?