Why we USe DataRow

[Waseemalisyed]

why we use DataRow when we enter data in Gird

myRow = myTable.NewRow();
myRow[colNum] = myValue;
myTable.Rows.Add(myRow);

We dont pick directly from DataGrid;

[mendhak]

Because that table is the datagrid's datasource, so you'd obviously need to work with the datasource and then let the datagrid pick it up.