p; add to DataTable.
myDataColumn = new DataColumn();
myDataColumn.DataType = System.Type.GetType("System.String");
myDataColumn.ColumnName = "name";
myDataColumn.AutoIncrement = false;
myDataColumn.Caption = "name";
myDataColumn.ReadOnly = false;
myDataColumn.Unique = false;
_alluser.Columns.Add(myDataColumn);
// Create sessionid column.
myDataColumn = new DataColumn();
myDataColumn.DataType = System.Type.GetType("System.String");
myDataColumn.ColumnName = "sessionid";
myDataColumn.AutoIncrement = false;
myDataColumn.Caption = "sessionid";
myDataColumn.ReadOnly = false;
myDataColumn.Unique = true;
_alluser.Columns.Add(myDataColumn);
// Create ip column.
myDataColumn = new DataColumn();
myDataColumn.DataType = System.Type.GetType("System.String");
myDataColumn.ColumnName = "ip";
myDataColumn.AutoIncrement = false;
myDataColumn.Caption = "ip";
myDataColumn.ReadOnly = false;
myDataColumn.Unique = false;
_alluser.Columns.Add(myDataColumn);
// Create &nbs