C#简单问题`谁来帮看下啊`急!!!

来源：百度知道 编辑：UC知道 时间：2024/05/05 02:55:44
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

namespace WebApplication1
{
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
double lirui1 = Convert.ToDouble(TextBox1.Text);
double lirui2 = Convert.ToDouble(TextBox2.Text);
Lable1.Text = ADD(lirui1, lirui2).ToString();

}

public double ADD(double a, double b)
{
if (a > b)
{
Label1.Text = "第一个数大与第二个数";
}
else
{
if (a == b)

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

namespace WebApplication1
{
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{

//TextBox1.Text或TextBox2.Text判断是否为空
//如果为空就改为"0"
if(TextBox1.Text.Empty == true)
TextBox1.Text = "0";
if(TextBox2.Text.Empty == true)
TextBox2.Text = "0";

double lirui1 = Convert.ToDouble(TextBox1.Text);
double lirui2 = Convert.ToDouble(TextBox2.Text);

//如果是Lable1出错可能是你的Lable不是Lable1.
//请检查一下你创建的Lable
Lable1.Text = ADD(lirui1, lirui2);
}

//把你ADD函数改一下
public string