private void check()
{
if (state == 1)
{
BookLendingRateButton.Image = Properties.Resources.书籍借阅率;
SystemInformationButton.Image = Properties.Resources.系统日志查看;
UserComingRateComboBox.Show();
UserComingRateChart.Show();
BookLendingRateComboBox.Hide();
BookLendingRateChart.Hide();
LogDataSheet.Hide();
LastPButton.Hide();
JumpPTextBox.Hide();
DividePicture.Hide();
PageTextBox.Hide();
NextPbutton.Hide();
LoadUserComingRateGraph(UserComingRateComboBox.SelectedIndex);
}
else if (state == 2)
{
UserComingRateButton.Image = Properties.Resources.用户到馆率;
SystemInformationButton.Image = Properties.Resources.系统日志查看;
UserComingRateComboBox.Hide();
UserComingRateChart.Hide();
BookLendingRateComboBox.Show();
BookLendingRateChart.Show();
LogDataSheet.Hide();
LastPButton.Hide();
JumpPTextBox.Hide();
DividePicture.Hide();
PageTextBox.Hide();
NextPbutton.Hide();
LoadBookLendingRateGraph(BookLendingRateComboBox.SelectedIndex);
}
else if (state == 3)
{
UserComingRateButton.Image = Properties.Resources.用户到馆率;
BookLendingRateButton.Image = Properties.Resources.书籍借阅率;
UserComingRateComboBox.Hide();
UserComingRateChart.Hide();
BookLendingRateComboBox.Hide();
BookLendingRateChart.Hide();
LogDataSheet.Show();
LastPButton.Show();
JumpPTextBox.Show();
DividePicture.Show();
PageTextBox.Show();
NextPbutton.Show();
DataSheetLoad(nPage);
}
}
private void DataSheetLoad(int page)
{
ResultDataSheet.Rows.Clear();
ResultDataSheet.Hide();
if (ClassBackEnd.Book.Count == 0)
{
LoadGIFBox.Hide();
NoResultTextBox.Show();
AddBookButton.Show();
NextPbutton.Hide();
LastPButton.Hide();
JumpPTextBox.Hide();
PageTextBox.Hide();
DividePicture.Hide();
return;
}
else
{
NoResultTextBox.Hide();
AddBookButton.Hide();
NextPbutton.Show();
LastPButton.Show();
JumpPTextBox.Show();
PageTextBox.Show();
DividePicture.Show();
}
int start = (nPage - 1) * 10;
int end = nPage * 10;
if (nPage == maxPage)
{
end = ClassBackEnd.Book.Count;
}
for (int i = start; i < end; i++)
{
var c = ClassBackEnd.Book[i];
DataGridViewRow row = (DataGridViewRow)ResultDataSheet.RowTemplate.Clone();
int index = ResultDataSheet.Rows.Add(row);
ResultDataSheet.Rows[index].Cells[0].Value = c.Bookisbn;
ResultDataSheet.Rows[index].Cells[1].Value = c.Bookname;
ResultDataSheet.Rows[index].Cells[2].Value = c.Author;
ResultDataSheet.Rows[index].Cells[3].Value = c.Publisher;
ResultDataSheet.Rows[index].Cells[4].Value = "详情";
}
LoadGIFBox.Hide();
ResultDataSheet.Show();
ResultDataSheet.ClearSelection();
ResultDataSheet.Columns[4].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
JumpPTextBox.Text = nPage.ToString();
PageTextBox.Text = maxPage.ToString();
}
private void PageButtonLoad()
{
if (ClassBackEnd.Userbsbook.Count == 0)
{
LastPButton.Hide();
NextPbutton.Hide();
JumpPTextBox.Hide();
PageTextBox.Hide();
DividePicture.Hide();
}
else
{
LastPButton.Show();
NextPbutton.Show();
JumpPTextBox.Show();
PageTextBox.Show();
DividePicture.Show();
}
}
private void PageButtonLoad(int num)
{
if (num == 0)
{
LastPButton.Hide();
NextPbutton.Hide();
JumpPTextBox.Hide();
PageTextBox.Hide();
DividePicture.Hide();
}
else
{
LastPButton.Show();
NextPbutton.Show();
JumpPTextBox.Show();
PageTextBox.Show();
DividePicture.Show();
}
}