1. 打开新的窗口并传送参数:
RmCn&-i x""Mxn]gD 传送参数:
x.yb4i=Jq response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
Eb{4.17b K{[Fa,]' 接收参数:
Y
GcY2p< string a = Request.QueryString("id");
,XF6Xsg2 string b = Request.QueryString("id1");
EC\rh](d
1 \:f}X?: 2.为按钮添加对话框
`[W)6OUCx} Button1.Attributes.Add("onclick","return confirm(’确认?’)");
'!|E+P- button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
H 29 _ / L>R!A3G1 3.删除表格选定记录
}O-%kl int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
(WU~e!} string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
5kL# V 0UAr}H.: 4.删除表格记录警告
-%QEzu& private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
oVj A$| {
S+\Mt+o switch(e.Item.ItemType)
CBgFB-!qpe {
K+aJ`V case ListItemType.Item :
V'|g case ListItemType.AlternatingItem :
`&&6-/ case ListItemType.EditItem:
<pa];k(IQL TableCell myTableCell;
A<G ; myTableCell = e.Item.Cells[14];
!C)> LinkButton myDeleteButton ;
?2bE=| myDeleteButton = (LinkButton)myTableCell.Controls[0];
t)kr/Z*p\ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
d T-O8 break;
4dD@lG~ default:
Jut'xA2Dr break;
~'YSVx& ) }
cqU/Y_%l' ]H@uuPT! }
}v|[h[cZ Jv$2wH 5.点击表格行链接另一页
&^Q~G>A private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
W SeRV?+T {
fJ+E46|4 //点击表格打开
nd9-3W if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
"i5AAP?_]{ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
sT8kVN|Uv }
hQRc,d6x5 OsuSx^} 双击表格连接到另一页
KHC(MdZ %li{VDb 在itemDataBind事件中
gZuR4Ti if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
dL Py%q {
i3\oy`GJ string OrderItemID =e.item.cells[1].Text;
JL*]9$o ...
er}'}n`@q e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
xuC6EK+ }
\VzQ1B>k =:T:9Y_ i 双击表格打开新一页
Kof-;T if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
"+OMo-<K7 {
JSP8Lu"n string OrderItemID =e.item.cells[1].Text;
=$`")3y3 ...
H "/e% e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
W;j)ux7jMY }
iDe0 5f1R hYQ%|CBXBR ★特别注意:【?id=】 处不能为 【?id =】
fN/KXdAy& 6.表格超连接列传递参数
lJp v <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
uX!y,a/" <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
/]UNN~( 5 BG&r*U 7.表格点击改变颜色
+c2>j8e6 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
' <jp.sZQ {
j7%%/%$o[ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
v*p)"J * this.style.color=’buttontext’;this.style.cursor=’default’;");
SVeU7Q6- }
G&B}jj H$'kWU*l 写在DataGrid的_ItemDataBound里
ph. :~n>z if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
r3K: {
jWjK -q@Y e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
W_lNvzag this.style.color=’buttontext’;this.style.cursor=’default’;");
t$Ji{t- e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
}Qu
7o }
aj~@r3E; :D7!6}% ?-p aM5Q+ 8.关于日期格式
v2<gkCK^ "lya|; 日期格式设定
~DS9{Y DataFormatString="{0:yyyy-MM-dd}"
u01^ABn *)sz]g|d 我觉得应该在itembound事件中
|#,W3Ik(l e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
m$j;FKz+| 4&WzGnK 9.获取错误信息并到指定页面
?=Qg 6<O]_ HZ& 不要使用Response.Redirect,而应该使用Server.Transfer
)W3l{T( vCr$miZ e.g
7i\[Q8f // in global.asax
Y)5}bmL protected void Application_Error(Object sender, EventArgs e) {
&~i
&~AJ if (Server.GetLastError() is HttpUnhandledException)
k}7)pJNj Server.Transfer("MyErrorPage.aspx");
Qc/J"<Lx B*Xh$R //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
7]53GGNO }
P_%l}% RGOwm~a Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
%ua5T9H Z KL{uhb0f 10.清空Cookie
:RG6gvz Cookie.Expires=[DateTime];
)^3655mb Response.Cookies("UserName").Expires = 0
[X\2U4 .w"O/6." 11.自定义异常处理
cE?J]5#^ //自定义异常处理类
I<f M8t.Y> using System;
`_kRvpi using System.Diagnostics;
ax }Xsk_ yIP
IA%dJ namespace MyAppException
-hfY:W`Dz {
;bmd<1 /// <summary>
eGg#=l= /// 从系统异常类ApplicationException继承的应用程序异常处理类。
HX^
P9jXT /// 自动将异常内容记录到Windows NT/2000的应用程序日志
7?@v}%w /// </summary>
"[,XS` public class AppException:System.ApplicationException
~d]7 Cl {
/GNYv* public AppException()
gE#,QOy {
<taW6=;c if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
|&.)_+w }
p5ihuV, m5*RB1 public AppException(string message)
6IH^rSUSK {
w0SgF/"@ LogEvent(message);
iddT. }
[0emOS R8)"M(u=l public AppException(string message,Exception innerException)
=X B)sC% {
KYaf7qy] LogEvent(message);
,GlK_-6> if (innerException != null)
8V=o%[t {
7085&\9 LogEvent(innerException.Message);
VdgPb ( }
R
_%pR_\ }
*G4; ,\ i q'}i //日志记录类
AseY.0 using System;
H?m2|. using System.Configuration;
~%ZO8X:^ using System.Diagnostics;
OZD/t(4?6s using System.IO;
hb{(r@[WHv using System.Text;
{lA@I*_lj using System.Threading;
l/5/|UE9
kW9STN namespace MyEventLog
D3OV.G]` {
4$rO,W/&0 /// <summary>
-p }]r /// 事件日志记录类,提供事件日志记录支持
m,b<b91 /// <remarks>
-JK+{< /// 定义了4个日志记录方法 (error, warning, info, trace)
%WR /// </remarks>
l)Hu.1~ /// </summary>
IM+PjYJ public class ApplicationLog
G[mYx[BTz {
cVMTT]cj1 /// <summary>
wFD.3! /// 将错误信息记录到Win2000/NT事件日志中
%AFy{l /// <param name="message">需要记录的文本信息</param>
f]EHDcC3X /// </summary>
6ZE]7~X public static void WriteError(String message)
DbDpdC; {
Z=xrjE WriteLog(TraceLevel.Error, message);
nz(OHh!}u }
'#fj)
Z-:`{dns/ /// <summary>
4d#W[ /// 将警告信息记录到Win2000/NT事件日志中
9M6&+1XE /// <param name="message">需要记录的文本信息</param>
bFpwq#PDW> /// </summary>
A U](pXK; public static void WriteWarning(String message)
:2?du {
V\_
&2',t WriteLog(TraceLevel.Warning, message);
TS;MGi0`} }
q#Bdq8 hE; /// <summary>
QxK%ZaFZA /// 将提示信息记录到Win2000/NT事件日志中
ojaZC,} /// <param name="message">需要记录的文本信息</param>
8ViDh /// </summary>
,T]okN5uI public static void WriteInfo(String message)
}*%%GPJ {
30<^0J.1 WriteLog(TraceLevel.Info, message);
\oi=fu=}* }
uwbj`lpf /// <summary>
k,?k37%T] /// 将跟踪信息记录到Win2000/NT事件日志中
U@9n7F /// <param name="message">需要记录的文本信息</param>
{AZW."? /// </summary>
=0Nd\ public static void WriteTrace(String message)
Z'\_YbB {
EprgLZ1B WriteLog(TraceLevel.Verbose, message);
_^KD&t%!+y }
)T^hyi$ 5n_<)Ycj /// <summary>
BM3nZ<%3 /// 格式化记录到事件日志的文本信息格式
rn(T
Z} /// <param name="ex">需要格式化的异常对象</param>
hgm`6TQ /// <param name="catchInfo">异常信息标题字符串.</param>
v8LKv`I's /// <retvalue>
G,J$lTX /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
n04Zji(F@ /// </retvalue>
O%)w!0 /// </summary>
wL:3RZB public static String FormatException(Exception ex, String catchInfo)
]86U-`p {
oM< 9]jK} StringBuilder strBuilder = new StringBuilder();
)s!x)< d; if (catchInfo != String.Empty)
BsxQW`>^y {
|W?x6]~.R strBuilder.Append(catchInfo).Append("\r\n");
!fZxK CsQ }
E}~GX G strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
4re^j4L~o return strBuilder.ToString();
:Vv=p*~ }
q
K]Wk+ IXg0g<JZ /// <summary>
Pj^6.f+ /// 实际事件日志写入方法
"S1+mSW> /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
6%:N^B=%} /// <param name="messageText">要记录的文本.</param>
^"l4 /// </summary>
Zx3m$.8 private static void WriteLog(TraceLevel level, String messageText)
dqcfs/XhP {
euQd try
u" nyx0< {
3HWI; EventLogEntryType LogEntryType;
|XPT2eQ{ switch (level)
wF}/7b54 {
UL(#B TK case TraceLevel.Error:
TTS}, ` LogEntryType = EventLogEntryType.Error;
XBCz\f break;
DT;Hr4Z8^" case TraceLevel.Warning:
6:@tHUm LogEntryType = EventLogEntryType.Warning;
_ u/N#*D break;
7|*|xLrVY case TraceLevel.Info:
aabnlOVw LogEntryType = EventLogEntryType.Information;
'\P6NszY~ break;
0Bb amU case TraceLevel.Verbose:
iN<Tn8-YH6 LogEntryType = EventLogEntryType.SuccessAudit;
"|(+~8[ break;
FSC74N/ default:
<Xv]Ih?@f` LogEntryType = EventLogEntryType.SuccessAudit;
d-lC|5U% break;
v:eVK!O }
o^biO!4, J1hc :I<; EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
M{1't //写入事件日志
58{6k J@ eventLog.WriteEntry(messageText, LogEntryType);
Z#%4QIz? Y}Y2Vx }
>}Za) catch {} //忽略任何异常
vQ$ FMKz7 }
xbSix:R=Z } //class ApplicationLog
L6O*aZ| }
,_D`0B6o b~z1%? 12.Panel 横向滚动,纵向自动扩展
kO+Y5z6= <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
9Y3_.qa(. ]`b/_LJN$F 13.回车转换成Tab
`a*[@a# <script language="javascript" for="document" event="onkeydown">
K]1A,Q if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
)\8l6Gw event.keyCode=9;
q{nNWvL </script>
[8v v[n/ 5(]=?$$*t onkeydown="if(event.keyCode==13) event.keyCode=9"
@Xts}(L nn5tOV}QE 14.DataGrid超级连接列
qk<(iVUO DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
T8bk \\Od :<r.n
" 15.DataGrid行随鼠标变色
n<+g{QHi private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
5B<