Convert.ToInt32、int.Parse(Int32.Parse)、int.TryParse、(int) 四者都可以解釋為將類型轉換為 int,那它們的區別是什麼呢?
Convert.ToInt32 與 int.Parse 較為類似,實際上 Convert.ToInt32 內部調用了 int.Parse:
- Mar 18 Wed 2015 11:24
C# Convert vs Parse
- Mar 03 Tue 2015 16:13
C# post data to URL
string URI ="http://www.myurl.com/post.php";
string myParameters ="param1=value1¶m2=value2¶m3=value3";
using (WebClient wc =newWebClient()){
- Feb 26 Thu 2015 09:29
c# 判斷空值
if(rw.Cells[i].Value==null|| rw.Cells[i].Value==DBNull.Value||String.IsNullOrWhitespace(rw.Cells[i].Value.ToString())
- Feb 26 Thu 2015 09:17
c# txt 將文字附加至現有的檔案
using (System.IO.StreamWriter file = new System.IO.StreamWriter(@"C:\Users\Public\TestFolder\WriteLines2.txt", true)) { file.WriteLine("Fourth line"); }
- Feb 04 Wed 2015 15:41
javascript-計算字串字元長度(char byte)
$('#<%=txt_lolTeamName.ClientID%>').keyup(function () {
var c = this.value.match(/[^ -~]/g);
var len = this.value.length + (c ? c.length : 0);
if (len > 24) {
//Do something...
}
});
- Feb 04 Wed 2015 14:02
c# inline code if statement with Eval
<ul class="teamlist" style="<%# Eval("論壇識別").ToString() == "2"?"display:none;":"display:block;"%>">
- Jan 30 Fri 2015 11:18
[ASP.NET & jQuery]使用jQuery的Ajax存取資料(ashx,aspx,asmx)
感謝好文,終於要比較進入狀況了!哈雷路亞~~~
- Jan 30 Fri 2015 09:56
jQuery用data- 取 data-值
$('*[data-forumid="2"]').attr('data-id');
- Jan 29 Thu 2015 18:13
jQuery取aspx資料
$.get("英雄聯盟隊伍清單.aspx?id=" + $("#applyBtn").attr('data-id'), function (data, status) { $('#temp_teams').html(data); //alert("Data: " + data + "\nStatus: " + status); console.log($('#temp_teams').text()); });
- Jan 29 Thu 2015 15:39
jQuery驗證email
function IsEmail(email) { var regex = /^([a-zA-Z0-9_.+-])+\@(([a-zA-Z0-9-])+\.)+([a-zA-Z0-9]{2,4})+$/; return regex.test(email); } if (IsEmail($('#<%=txt_lol_電子信箱.ClientID%>').val())) { alert('valid'); }else { alert('err'); }