try
        ...{
            if (System.IO.Directory.Exists(DirectoryTextBox.Text))
            ...{
                MsgLabel.Text = "该文件夹已经存在";

                return;
            }
            else
            ...{
                System.IO.DirectoryInfo dirinfo = System.IO.Directory.CreateDirectory(DirectoryTextBox.Text);
                MsgLabel.Text = "成功创建该文件夹！创建时间为：" + System.IO.Directory.GetCreationTime(DirectoryTextBox.Text);
            }
        }
        catch (Exception ee)
        ...{
            MsgLabel.Text = "处理失败！ 失败的原因是：" + ee.ToString();
        }

try
        ...{
            if (!Directory.Exists(DirectoryTextBox.Text))
            ...{
                MsgLabel.Text = "该文件不存在";
            }
            else
            ...{
                Directory.Delete(DirectoryTextBox.Text);
                MsgLabel.Text = "删除文件成功！";
            }
        }
        catch (Exception ee)
        ...{
            MsgLabel.Text = "操作失败！ 失败的原因是：" + ee.ToString();
        }

System.IO.Directory.Move(String sourceDirName, String destDirName) 在 CreateDirectory.MoveButton_Click(Object sender, EventArgs e) ）

try
        ...{
            if (!System.IO.Directory.Exists(SDirectoryTextBox.Text))
            ...{
                Label1.Text = "源文件夹不存在！";

                return;
            }

            if (System.IO.Directory.Exists(DDirectoryTextBox.Text))
            ...{
                Label1.Text = "目标文件夹已经存在！";

                return;
            }

            System.IO.Directory.Move(SDirectoryTextBox.Text, DDirectoryTextBox.Text);
            Label1.Text = "文件夹移动成功！ 源文件已经被移除。目标文件夹为" + DFileTextBox.Text;
        }
        catch (Exception ee)
        ...{
            Label1.Text = "操作失败！ 失败原因：" + ee.ToString();
        }

<table border="1">
            <tr>
                <td colspan="2" style="color: #660066;">
                    文件夹中文件列表：
                </td>
            </tr>
            <tr>
                <td style="font-size: 10pt">
                    请输入要删除文件的路径：
                </td>
                <td style="width: 158px">
                    <asp:TextBox ID="DirectoryTextBox" runat="server"></asp:TextBox>
                </td>
                
            </tr>
            <tr>
                <td colspan="2">
                    <asp:Label ID="MsgLabel" runat="server" ForeColor="red"></asp:Label>
                </td>
            </tr>
            <tr>
                <td colspan="2" style="width: 158px">
                    <asp:ListBox ID="FileListBox" runat="server" Height="192px" Width="184px"></asp:ListBox>
                </td>
            </tr>
            <tr>
                <td align="center" colspan="2">
                    <asp:Button ID="ExistButton" runat="server" Text="确定" OnClick="ExistButton_Click" />
                </td>
            </tr>
        </table>