C# 无法连接多个字符串
我试图建立一个字符串,它给出了错误,我正在分享我的代码,请指导我C# 无法连接多个字符串,c#,C#,我试图建立一个字符串,它给出了错误,我正在分享我的代码,请指导我 public static bool Send(string Email, string ProcessID, string Name, string Part, string MFG, string TicketTotal) { StringBuilder sb = new StringBuilder(); string html = @"Dear, " + Name + "<br><br&g
public static bool Send(string Email, string ProcessID, string Name, string Part, string MFG, string TicketTotal)
{
StringBuilder sb = new StringBuilder();
string html = @"Dear, " + Name + "<br><br>" + "We are sending the price for your reference" + "<br><br>"
+ @"<table><thead style='background-color: #006DCC;color: white;padding:10px;width:700px;'>
<tr>
<th style='background-color:#006DCC;color: white;'>
Part No
</th>
<th>
Manufacturer
</th>
</tr>
</thead>" +
@"<tbody style='background-color: #EEEEEE;'>" +
for(int i=1;i<10;i++)
{
@"<tr>
<td style='background-color: #EEEEEE;'>" +
@"<span>" + Part + "</span>" +
"</td>" +
@"<td>" + "<span>" + MFG + "</span>" + "</td>" +
@"</tr>"
} +
@"</tbody></table>" +
@"<br><br>" + "Total Amount: " + TicketTotal + "<br>" + "Process ID: " + ProcessID + "<br><br>"
+ @"For more inquiry please visit <a href='#' target='_blank'> Contact</a>"
+ @"<br><br>" + "Best Regards" + "<br><br>" + "Address: Address here" + "<br>"
+ @"Tel: Number" + "<br>" + "Fax: number" + "<br>" + "<a href='#' target='_blank'>abc</a>";
}
我想使用loop在表中添加十行,我已经搜索了internet,但找不到任何合适的解决方案。请引导我正如其他人所说,这样做完全是错误的
public static bool Send(string Email, string ProcessID, string Name, string Part, string MFG, string TicketTotal)
{
StringBuilder sb = new StringBuilder();
string html = @"Dear, " + Name + "<br><br>" + "We are sending the price for your reference" + "<br><br>"
+ @"<table><thead style='background-color: #006DCC;color: white;padding:10px;width:700px;'>
<tr>
<th style='background-color:#006DCC;color: white;'>
Part No
</th>
<th>
Manufacturer
</th>
</tr>
</thead>" +
@"<tbody style='background-color: #EEEEEE;'>" +
for(int i=1;i<10;i++)
{
@"<tr>
<td style='background-color: #EEEEEE;'>" +
@"<span>" + Part + "</span>" +
"</td>" +
@"<td>" + "<span>" + MFG + "</span>" + "</td>" +
@"</tr>"
} +
@"</tbody></table>" +
@"<br><br>" + "Total Amount: " + TicketTotal + "<br>" + "Process ID: " + ProcessID + "<br><br>"
+ @"For more inquiry please visit <a href='#' target='_blank'> Contact</a>"
+ @"<br><br>" + "Best Regards" + "<br><br>" + "Address: Address here" + "<br>"
+ @"Tel: Number" + "<br>" + "Fax: number" + "<br>" + "<a href='#' target='_blank'>abc</a>";
}
但是,为了让你在正确的方向上前进,请解释为什么这不起作用,请参见下文
您正在尝试将循环连接到字符串。你不能这样做:
@"<tbody style='background-color: #EEEEEE;'>" + // this plus sign is the problem
for(int i=1;i<10;i++)
{
@"<tr> //etc.
您需要添加到循环内的字符串中:
string html = @"Dear, " + Name + "<br><br>" + "We are sending the price for your reference" + "<br><br>"
+ @"<table><thead style='background-color: #006DCC;color: white;padding:10px;width:700px;'>
<tr>
<th style='background-color:#006DCC;color: white;'>
Part No
</th>
<th>
Manufacturer
</th>
</tr>
</thead>" +
@"<tbody style='background-color: #EEEEEE;'>"; \\terminate the line.
//start the loop
for(int i=1;i<10;i++)
{
html += @"<tr>
<td style='background-color: #EEEEEE;'>" +
@"<span>" + Part + "</span>" +
"</td>" +
@"<td>" + "<span>" + MFG + "</span>" + "</td>" +
@"</tr>"; // not plus
}
html += @"</tbody></table>" +
@"<br><br>" + "Total Amount: " + TicketTotal + "<br>" + "Process ID: " + ProcessID + "<br><br>"
+ @"For more inquiry please visit <a href='#' target='_blank'> Contact</a>"
+ @"<br><br>" + "Best Regards" + "<br><br>" + "Address: Address here" + "<br>"
+ @"Tel: Number" + "<br>" + "Fax: number" + "<br>" + "<a href='#' target='_blank'>abc</a>";
在你的评论中,你提到你正在发送基于html的电子邮件。我也这样做过。我发现的最简单的方法是将一个HTML文件作为您的资源,其中包含电子邮件中带有标记的特定区域。例如,我选择%USERNAME%作为用户名。然后,我可以将资源用作字符串,并对我拥有的标记执行string.Replace。这有两个目的。第一,准备起来很容易。第二,编辑和预览我的HTML很容易。下面是我的代码最后的样子
public override string GenerateEmailBody()
{
var htmlBody = System.IO.File.ReadAllText("htmlEmail\\dliHTML.html");
htmlBody = htmlBody.Replace("%AUTHOR%", Author);
htmlBody = htmlBody.Replace("%REV%", Revision);
htmlBody = htmlBody.Replace("%REPO%", Repo);
htmlBody = htmlBody.Replace("%LOG%", Log);
htmlBody = htmlBody.Replace("%DATE%", System.DateTime.Now.ToString("MMMM-dd-yyyy HH:mm:ss"));
htmlBody = htmlBody.Replace("%ADDED%",GetUList("Added",Added));
htmlBody = htmlBody.Replace("%DELETED%",GetUList("Deleted",Deleted));
htmlBody = htmlBody.Replace("%MODIFIED%",GetUList("Modified",Modified));
return htmlBody;
}
你看,我确实做了一个乌拉主义者。也许有更好的方法,但这种方法并不可怕
private string GetUList(string header, string[] list)
{
if (list==null) return string.Empty;
if (list.Length==0) return string.Empty;
var ulist = GetHeaderString(3, header);
ulist += "<UL>";
foreach (var element in list)
{
ulist += string.Format("<li>{0}</li>", element);
}
ulist += "</UL>";
return ulist;
}
编辑
下面是我忘记添加的Get header String方法
private string GetHeaderString(int size, string message)
{
return string.Format("<H{0}>{1}</H{0}>" ,size, message);
}
我可以推荐一个StringBuilder吗?或者是一个模板引擎吗?为什么不使用htmlTable类来代替字符串操作呢@RandRandom我看不到它被使用,至少没有被正确使用。这是一个不粗鲁的复习,我认为当我们看到这样的基本错误时,我们应该提供帮助,发布一些相关信息来纠正基本错误,而不是填鸭式地提供解决方案。谢谢你的评论,我该怎么做?@Usama查看此代码/编辑。这就告诉你怎么做了。@Usama-这看起来不是很漂亮很整洁吗?这是一个好得多的选择。虽然缺少一些东西,但这肯定是一个更好的选择approach@Steve我可以补充缺少的东西。我忘了添加什么?不重要,只是代码GetHeaderString@Steve只为你:添加它。。。