Have problems in filtering binding source


This Content is from Stack Overflow. Question asked by hank

I have a datagridview and it’s source is a bindingSource. I filter them by Id, name and date.
enter image description here

Also have clear button for clearing filters.

private void b_clear_Click(object sender, EventArgs e)

                if (File.Exists(inputpath))
                    Simulator simRead = new Simulator(inputpath);
                    DataTable dt = simRead.MakeDataTable();
                    bindingSource1.DataSource = dt;
                    gridView.DataSource = bindingSource1;
                    timeFilter.CustomFormat = " ";
                    timeFilter.Text = null;
                    timeFilter.Format = DateTimePickerFormat.Custom;

I’m having a really hard time filtering this gridview and clearing the filters.
Here I add my filter too.

 bindingSource1.Filter = $"Flight_Date = #{timeFilter.Value:M/dd/yyyy}# AND {gridFilter.Columns[indexRoleName].HeaderText} LIKE '%{txt_filterName.Text}%' AND {gridFilter.Columns[indexRoleNum].HeaderText} LIKE '%{txt_filterNum.Text}%'";

I call it in textboxes_changed and datetimePicker_valuechanged.

I can’t filter the values properly, When I try to delete the filtering I have done, I can not get a reset in the datagridview.


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