private void crystalReportViewer1_Load(object sender, EventArgs e)
{
QuestionReport cryrpt = new QuestionReport();
constring = "Data Source=VIREN-PC\\SQLEXPRESS;Initial Catalog=QPGenerator;Integrated Security=True";
SqlConnection con = new SqlConnection(constring);
SqlDataAdapter sda = new SqlDataAdapter("select * from lastquest", con);
DataSet dst = new DataSet();
sda.Fill(dst, "lastquest");
cryrpt.Load(@"C:\Users\pratik\Documents\Visual Studio 2010\Projects\QuestionPaperGenerater\QuestionPaperGenerater\QuestionReport.rpt");
cryrpt.SetDataSource(dst);
crystalReportViewer1.ReportSource = cryrpt;
}