try

        {
            conn.Open();

//打开数据库

            

int

 flag = insertcmd.ExecuteNonQuery();

//执行添加

            

if

 (flag > 0)

//如果添加成功

            {
                Response.Write(

"<script language=javascript>alert('数据提交成功！')</script>"

);

                

this

.TextBox1.Text = 

""

;

                

this

.TextBox2.Text = 

""

;

                

this

.TextBox3.Text = 

""

;

            }
            

else

// 如果添加失败

            {
                Response.Write(

"<script language=javascript>alert('数据提交失败！')</script>"

);

                

this

.TextBox1.Text = 

""

;

                

this

.TextBox2.Text = 

""

;

                

this

.TextBox3.Text = 

""

;

            }
        }
        

catch

 (System.

Exception

 ee)

//错误处理

        {
            Response.Write(

"<script language=javascript>alert('"

 + ee.Message.ToString() + 

"')</script>"

);

        }
        

finally

        {
            conn.Close();

//关闭数据库连接

        }
    }