谁能纠正这个程序？ [英] can anyone correct this program ?
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问题描述
使用System;
使用System.Net;
使用System.Net.Mail;
使用System.Collections.Generic;使用System.ComponentModel
;
使用System.Data;使用System.Drawing
;
使用System.Linq;
使用System.Text;
使用System.Windows.Forms;
命名空间MailSend
{
公共部分类Form1：表格
{
public Form1（）
{
InitializeComponent（） ;
}
private void label3_Click（object sender，EventArgs e）
{
}
private void groupBox2_Enter（object sender，EventArgs e）
{
}
private void Form1_Load（object sender，EventArgs e）
{
}
private void textBox6_TextChanged（object sender，EventArgs e）
{
}
private void groupBox1_Enter（object sender，EventArgs e ）
{
}
private void textBox5_TextChanged（object sender，EventArgs e）
{
}
private void btnBrowse_Click（object sender，EventArgs e）
{
OpenFileDialog obj = new OpenFileDialog（）;
DialogResult res = obj.ShowDialog（）;
if（res == DialogResult.OK）
{
string fpath;
fpath = obj.FileName;
txtAttachments.Text = fpath;
}
}
private void button1_Click（object sender，EventArgs e）
{
SmtpClient obj = new SmtpClient（）;
NetworkCredential n = new NetworkCredential（txtFrom.Text，Jeetendra，System.Text.Encoding.UTF8）;
msg.From = m;
msg.To.Add（txtTo.Text）;
msg.Subject = txtSub.Text;
msg.Body = txtBody.Text;
msg.DeliveryNotificationOptions = DeliveryNotificationOptions.OnFailure;
附件a =新附件（txtAttachments.Text）;
msg.Attachments.Add（a）;
obj.Send（msg）;
MessageBox.Show（Mail Sent Successfully ..... !!!!）;
}
}
}
我收到以下错误
以下错误即将发生...错误1'System.Net.NetworkCredential的最佳重载方法匹配.NetworkCredential（string，string，string）'有一些无效的参数D：\BE630 \ MailSend \ MailSend \Form1.cs 67 35 MailSend
错误2参数'3'：无法从'系统转换。 Text.Encoding'to'string'D：\ BE630 \ MailSend \ MailSend \Form1.cs 67 84 MailSend
错误3当前上下文中不存在名称msgD：\ BE630 \ MailSend \ MailSend \Form1.cs 68 13 MailSend
错误4当前上下文中名称m不存在D：\ BE630 \ MailSend \ MailSend \Form1.cs 68 24 MailSend
错误5当前上下文中不存在名称msgD：\ BE630 \ MailSend \ MailSend\Form1.cs 69 13 MailSend
错误6 nam e'msg'在当前上下文中不存在D：\BE630 \ MailSend \ MailSend \Form1.cs 70 13 MailSend
错误7当前上下文中不存在名称msgD： \BE630 \ MailSend \ MailSend \Form1.cs 71 13 MailSend
错误8当前上下文中不存在名称msgD：\ BE630 \ MailSend \ MailSend \ Form1。 cs 72 13 MailSend
错误9当前上下文中不存在名称msgD：\ BE630 \ MailSend \ MailSend \Form1.cs 74 13 MailSend
错误10名称' msg'在当前上下文中不存在D：\ BE630 \ MailSend \ MailSend \Form1.cs 75 22 MailSend
解决方案
< blockquote>尝试使用以下代码修改。
NetworkCredential n = new NetworkCredential（txtFrom.Text， Jeetendra）;
或
NetworkCredential n = new NetworkCredential（txtFrom.Text，Jeet endra，smtp.xmail.com）;
谢谢和问候
Anand。 G
参考这个
使用格式化文本编辑器和附件从ASP.NET发送电子邮件 [ ^ ]
希望它将帮助..
using System;
using System.Net;
using System.Net.Mail;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace MailSend
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void label3_Click(object sender, EventArgs e)
{
}
private void groupBox2_Enter(object sender, EventArgs e)
{
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void textBox6_TextChanged(object sender, EventArgs e)
{
}
private void groupBox1_Enter(object sender, EventArgs e)
{
}
private void textBox5_TextChanged(object sender, EventArgs e)
{
}
private void btnBrowse_Click(object sender, EventArgs e)
{
OpenFileDialog obj = new OpenFileDialog();
DialogResult res = obj.ShowDialog();
if (res == DialogResult.OK)
{
string fpath;
fpath = obj.FileName;
txtAttachments.Text = fpath;
}
}
private void button1_Click(object sender, EventArgs e)
{
SmtpClient obj = new SmtpClient();
NetworkCredential n = new NetworkCredential(txtFrom.Text, "Jeetendra", System.Text.Encoding.UTF8);
msg.From = m;
msg.To.Add(txtTo.Text);
msg.Subject = txtSub.Text;
msg.Body = txtBody.Text;
msg.DeliveryNotificationOptions = DeliveryNotificationOptions.OnFailure;
Attachment a = new Attachment(txtAttachments.Text);
msg.Attachments.Add(a);
obj.Send(msg);
MessageBox.Show("Mail Sent Successfully.....!!!!");
}
}
}
I am getting following errors
following errors ar coming... Error 1 The best overloaded method match for 'System.Net.NetworkCredential.NetworkCredential(string, string, string)' has some invalid arguments D:\BE630\MailSend\MailSend\Form1.cs 67 35 MailSend
Error 2 Argument '3': cannot convert from 'System.Text.Encoding' to 'string' D:\BE630\MailSend\MailSend\Form1.cs 67 84 MailSend
Error 3 The name 'msg' does not exist in the current context D:\BE630\MailSend\MailSend\Form1.cs 68 13 MailSend
Error 4 The name 'm' does not exist in the current context D:\BE630\MailSend\MailSend\Form1.cs 68 24 MailSend
Error 5 The name 'msg' does not exist in the current context D:\BE630\MailSend\MailSend\Form1.cs 69 13 MailSend
Error 6 The name 'msg' does not exist in the current context D:\BE630\MailSend\MailSend\Form1.cs 70 13 MailSend
Error 7 The name 'msg' does not exist in the current context D:\BE630\MailSend\MailSend\Form1.cs 71 13 MailSend
Error 8 The name 'msg' does not exist in the current context D:\BE630\MailSend\MailSend\Form1.cs 72 13 MailSend
Error 9 The name 'msg' does not exist in the current context D:\BE630\MailSend\MailSend\Form1.cs 74 13 MailSend
Error 10 The name 'msg' does not exist in the current context D:\BE630\MailSend\MailSend\Form1.cs 75 22 MailSend 解决方案
Try with following code modifications.
NetworkCredential n = new NetworkCredential(txtFrom.Text, "Jeetendra");
or
NetworkCredential n = new NetworkCredential(txtFrom.Text, "Jeetendra","smtp.xmail.com");
Thanks & Regards
Anand. G
Refer this
Sending Email from ASP.NET using Formatted Text Editor and Attachments[^]
Hope it will help..
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