Cannot perform 'Like' operation on System.Int32 and System.String. DataGridView search and filter

Question

I have a form that when I select a column name from a ComboBox, and type in a text box it filters and displays the searched criteria in the DataGridView. When I search for \

Answer 1

Try this perhaps?

dv.RowFilter = "'%" + comboSearch.Text.Trim() + "%' like '%" + searchTxt.Text.Trim() + "%'";

It may just be a missing quotation, because the query reads as

"   123 like '%123%'   "