private void treeView2_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
{
if (e.Node.Parent == null)
{
return;
}
string name = e.Node.Text.Trim();
string ID = null;
dt = BookAdmin.GetBook();
for (int i = 0; i < dt.Rows.Count; i++)
{
if (dt.Rows[i][1].ToString() == name)
{
tb4_3.Text = dt.Rows[i][1].ToString();
tb4_4.Text = dt.Rows[i][3].ToString();
tb4_5.Text = dt.Rows[i][4].ToString();
tb4_6.Text = dt.Rows[i][5].ToString();
cb4_2.Text = dt.Rows[i][7].ToString();
ID = dt.Rows[i][2].ToString();
}
}
dt = BookTypeAdmin.GetBookType();
for (int i = 0; i < dt.Rows.Count; i++)
{
if (dt.Rows[i][0].ToString() == ID)
{
cb4_1.Text = dt.Rows[i][1].ToString();
}
}
}
private bool SetTextToBookType()
{
new_booktype.Name = tb4_1.Text;
new_booktype.Day = Convert.ToInt32(tb4_2.Text.Trim());
if (listBox2.SelectedIndex < 0)
{
return(true);
}
string name = listBox2.Items[listBox2.SelectedIndex].ToString();
name = name.Trim();
dt = BookTypeAdmin.GetBookType();
for (int i = 0; i < dt.Rows.Count; i++)
{
if (dt.Rows[i][1].ToString() == name)
{
new_booktype.ID = Convert.ToInt32(dt.Rows[i][0].ToString());
}
}
return(true);
}
private void 添加图书类型_4_Click(object sender, EventArgs e)
{
if (tb4_1.Text == "" || tb4_2.Text == "")
{
MessageBox.Show("请输入完整信息");
return;
}
if (SetTextToBookType())
{
dt = BookTypeAdmin.GetBookType();
for (int i = 0; i < dt.Rows.Count; i++)
{
if (dt.Rows[i][1].ToString() == new_booktype.Name)
{
MessageBox.Show("该类型已有");
return;
}
}
booktypeBLL.Insert(new_booktype);
MessageBox.Show("状态：添加成功！");
Clear_44();
}
BookTypeUpdate();
BookCatalogUpdate(treeView2);
}
private void BookCatalogUpdate(TreeView treeView)
{
treeView.Nodes.Clear();
dt = BookTypeAdmin.GetBookType();
TreeNode[] tn = new TreeNode[dt.Rows.Count];
for (int i = 0; i < dt.Rows.Count; i++)
{
tn[i] = new TreeNode();
tn[i].Text = dt.Rows[i][1].ToString();
treeView.Nodes.Add(tn[i]);
}
DataTable dt2 = BookAdmin.GetBook();
TreeNode[] tn_book = new TreeNode[dt2.Rows.Count];
for (int i = 0; i < dt2.Rows.Count; i++)
{
for (int j = 0; j < dt.Rows.Count; j++)
{
if (Convert.ToInt32(dt.Rows[j][0]) == Convert.ToInt32(dt2.Rows[i][2]))
{
tn_book[i] = new TreeNode();
tn_book[i].Text = dt2.Rows[i][1].ToString();
tn[j].Nodes.Add(tn_book[i]);
break;
}
}
}
}
private void BookTypeUpdate()
{
listBox2.Items.Clear();
cb4_1.Items.Clear();
dt = BookTypeAdmin.GetBookType();
TreeNode[] tn = new TreeNode[dt.Rows.Count];
for (int i = 0; i < dt.Rows.Count; i++)
{
listBox2.Items.Add(dt.Rows[i][1]);
cb4_1.Items.Add(dt.Rows[i][1]);
tn[i] = new TreeNode();
tn[i].Text = dt.Rows[i][1].ToString();
}
}
private void listBox2_Click(object sender, EventArgs e)
{
if (listBox2.SelectedIndex < 0)
{
return;
}
string name = listBox2.Items[listBox2.SelectedIndex].ToString();
name = name.Trim();
dt = BookTypeAdmin.GetBookType();
for (int i = 0; i < dt.Rows.Count; i++)
{
if (dt.Rows[i][1].ToString() == name)
{
tb4_1.Text = dt.Rows[i][1].ToString();
tb4_2.Text = dt.Rows[i][2].ToString();
}
}
}
private bool SetTextToBook()
{
if (tb4_3.Text == "" || tb4_4.Text == "" || tb4_5.Text == "" || tb4_6.Text == "" || cb4_1.Text == "" || cb4_2.Text == "")
{
MessageBox.Show("请输入完整信息");
return(false);
}
new_book.Name = tb4_3.Text;
new_book.Concern = tb4_4.Text;
new_book.Author = tb4_5.Text;
new_book.Price = float.Parse(tb4_6.Text);
new_book.Condition = cb4_2.Text;
dt = BookTypeAdmin.GetBookType();
for (int i = 0; i < dt.Rows.Count; i++)
{
if (cb4_1.Text == dt.Rows[i][1].ToString())
{
new_book.Type = Convert.ToInt32(dt.Rows[i][0]);
}
}
if (treeView2.SelectedNode != null)
{
string name = treeView2.SelectedNode.Text.Trim();
dt = BookAdmin.GetBook();
for (int i = 0; i < dt.Rows.Count; i++)
{
if (dt.Rows[i][1].ToString() == name)
{
new_book.ID = Convert.ToInt32(dt.Rows[i][0].ToString());
}
}
}
return(true);
}
