private void UpdateLocation()
{
int startRow = currentPage * rowsPerPage + 1;
int lastRow = startRow + rowsPerPage - 1;
if (lastRow > count)
{
lastRow = count;
}
filterToolStripButton.Checked = IsFiltered;
filterToolStripButton.ToolTipText = IsFiltered ? filter.ToString() : "Filter";
sortToolStripButton.Checked = IsSorted;
sortToolStripButton.ToolTipText = IsSorted ? sort.ToString() : "Sort";
if (IsFiltered)
{
locationLabel.Text = String.Format("{0:0000} to {1:0000} of {2:0000}*", startRow, lastRow, count);
}
else
{
locationLabel.Text = String.Format("{0:0000} to {1:0000} of {2:0000}", startRow, lastRow, count);
}
if (currentPage == 0)
{
firstButton.Enabled = false;
prevButton.Enabled = false;
}
else
{
firstButton.Enabled = true;
prevButton.Enabled = true;
}
if (lastRow == count)
{
nextButton.Enabled = false;
lastButton.Enabled = false;
dataGridView.AllowUserToAddRows = true;
}
else
{
nextButton.Enabled = true;
lastButton.Enabled = true;
dataGridView.AllowUserToAddRows = false;
}
dataGridView.StartRowNumber = startRow;
}
private void filterToolStripButton_Click(object sender, EventArgs e)
{
if (!CanContinue())
{
return;
}
using (FilterDialog filterDialog = new FilterDialog(this.filter.Clone())) {
FormExtensions.DownPositionate(filterDialog, filterToolStripButton, this);
if (filterDialog.ShowDialog(this) == DialogResult.OK)
{
TableFilter lastGood = this.filter;
this.filter = filterDialog.Filter;
if (IsFiltered)
{
this.currentPage = 0;
this.filterToolStripButton.Checked = true;
}
else
{
this.filterToolStripButton.Checked = false;
}
this.filterToolStripButton.ToolTipText = IsFiltered ? filter.ToString() : "Filter";
try {
this.UpdateDataSet();
} catch (Exception ex) {
this.filter = lastGood;
MessageBox.Show(this, ex.Message, this.Text, MessageBoxButtons.OK);
this.UpdateDataSet();
}
}
else
{
if (this.refreshDataNeeded)
{
this.UpdateDataSet();
}
}
}
}