C#

{
string strQuery = "SELECT Name FROM MyTable";
sqlconn.Open();
daAdapter = new SqlDataAdapter(strQuery, sqlconn);
SqlCommandBuilder scb = new SqlCommandBuilder(daAdapter);
da.Fill(DatatSet1.MyTable);
//Definitions
ParameterField paramfield = new ParameterField();
ParameterFields paramfields = new ParameterFields();
ParameterDiscreteValue discreteval = new ParameterDiscreteValue();
//setting            
paramfield.Name = "Name";
discreteval.Value = DataSet1.MyTable.Columns[0];
paramfield.CurrentValues.Add(discreteval);
paramfields.Add(paramfield);
crystalReportViewer1.ParameterFieldInfo = paramfields;
crystalReportViewer1.ReportSource = crystalreport1;
sqlconn.Close();
}