Sometimes need to hand craft a data table for use.
DataTable dt = new DataTable();
DataRow dr;
dt.Columns.Add(new System.Data.DataColumn("EventTitle", typeof(String)));
dt.Columns.Add(new System.Data.DataColumn("EventID", typeof(String)));
dr = dt.NewRow();
dr[0] = "Emergency Alert";
dr[1] = "Event Id";
dt.Rows.Add(dr);
Here is how you could use that in a function to return the datatable:
private DataTable GetDummyData()
{
DataTable dt = new DataTable();
DataRow dr;
dt.Columns.Add(new System.Data.DataColumn("EventTitle", typeof(String)));
dt.Columns.Add(new System.Data.DataColumn("EventID", typeof(String)));
dt.Columns.Add(new System.Data.DataColumn("Start_Time", typeof(String)));
dt.Columns.Add(new System.Data.DataColumn("End_Time", typeof(String)));
dt.Columns.Add(new System.Data.DataColumn("EventDetails", typeof(String)));
dr = dt.NewRow();
dr[0] = "Christmas Party";
dr[1] = "1";
dr[2] = "12/23/2017 12:00:00";
dr[3] = "12/23/2017 14:00:00";
dr[4] = "Please drop by our Christmas party and bring gifts!";
dt.Rows.Add(dr);
return dt;
}