Create New Data Table to add in grid view

DataTable dt = new DataTable();
///create columns for the datatable
dt.Columns.Add("Semester");
dt.Columns.Add("ProgramSemesterCode");

///Add value in the related column
DataRow drs = dt.NewRow();
drs["ProgramSemesterCode"] = 1.1;
drs["Semester"] = 1;

/// Bind Data table
dtSemCount.Rows.Add(drs);
dtSemCount.AcceptChanges();


/// Add to grid view
gvPSR.DataSource = dt;
            gvPSR.DataBind();