1. 打开新的窗口并传送参数:
!Q-h#']~L >[,ywRJ#_} 传送参数:
'brt?oZ% response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
!v^{n+ U<T.o0s= 接收参数:
)Dg;W6 string a = Request.QueryString("id");
oJ
r&9.S string b = Request.QueryString("id1");
.9":Ljs(L r>!$eqX_ 2.为按钮添加对话框
Ino$N|G[ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
^,P#
<,D, button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
->BGeP_=| Y|'0bujr 3.删除表格选定记录
M%*D}s-QE int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
HR.^
y$IE string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
X@ zw;Se yH\3*#+ 4.删除表格记录警告
M
@|n"(P private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
)@vhqVv? {
H2f!c{t$p switch(e.Item.ItemType)
=[N=mC {
*u?QO4> case ListItemType.Item :
y.xt7
F1 case ListItemType.AlternatingItem :
R?%J case ListItemType.EditItem:
h=:*cqp4 TableCell myTableCell;
4rcNBmA, myTableCell = e.Item.Cells[14];
FU{$oCh/5 LinkButton myDeleteButton ;
xiWP^dIF myDeleteButton = (LinkButton)myTableCell.Controls[0];
kAu-=X myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
goE \C break;
vbo|q[z default:
3YKJN4 break;
*En29N#a{ }
7H$I9e cst}/8e
}
J^!2F}: RA%=_wPD
+ 5.点击表格行链接另一页
IE)$.%q;) private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
n\-nBrVSf {
U(d K //点击表格打开
_T96.~Q if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
1Q5:Vo^B# e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
d4#CZv[g/ }
I_/E0qSJI Yk;-]qi7 双击表格连接到另一页
jOkc' kp6{QKDj& 在itemDataBind事件中
3/aK#TjK if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
1*x;jO>Hk {
)S:,q3gxJ string OrderItemID =e.item.cells[1].Text;
eD(;Wn ...
bvay7 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
O/(QLgUr }
Z[ NO`!< ;S&PLgZ 双击表格打开新一页
mp!S<m if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
m1 tYDZ"i {
ab}Kt($ string OrderItemID =e.item.cells[1].Text;
6`c5\G+ ...
p\'0m0*
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
6UAn#d9 }
8vp*U |w{}h6a ★特别注意:【?id=】 处不能为 【?id =】
2bs={p$}a 6.表格超连接列传递参数
+jEtu[ ; <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
9}[UZN6 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
Q.U
wtH VRb+-T7" 7.表格点击改变颜色
J1s~w`, if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Jbv[Ql# {
R&-Vm3mc3 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
&x": this.style.color=’buttontext’;this.style.cursor=’default’;");
2l4*6rYa( }
(&B`vgmb zu,F 0;De 写在DataGrid的_ItemDataBound里
<M
y+!3\A if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
3)6TnY/u6{ {
H|.cD)&eYy e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
&'V1p4' this.style.color=’buttontext’;this.style.cursor=’default’;");
j`D%Wx_ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
F3?PlH:Y }
kS7`g A f-!P[6bY wv7XhY} 8.关于日期格式
+55+%oGl M+L8~BD@ 日期格式设定
S"@/F-
81 DataFormatString="{0:yyyy-MM-dd}"
>1$vG :Rroz]* 我觉得应该在itembound事件中
2Y7u M;8 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
N|rB~
baO'FyCs9& 9.获取错误信息并到指定页面
ppP0W`p R<L<kChg 不要使用Response.Redirect,而应该使用Server.Transfer
{f(RY j R<)^--n e.g
7'g{:dzS*3 // in global.asax
= pCO1<wR protected void Application_Error(Object sender, EventArgs e) {
lEYAq'= if (Server.GetLastError() is HttpUnhandledException)
<2V:tj)?P Server.Transfer("MyErrorPage.aspx");
MQY}}a-oug P3k@ptc-K //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
2.2G79U, }
\C}_l+nY \-W|)H 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
Q1'4xWu W^k|*Y| 10.清空Cookie
3F gTM( Cookie.Expires=[DateTime];
@2;/-,4O Response.Cookies("UserName").Expires = 0
fP KFU bzWWW^kNL 11.自定义异常处理
k9_c<TSzu //自定义异常处理类
Ncr*F^J4 using System;
YAsE,M+ using System.Diagnostics;
fe4Ki TF%MO\! namespace MyAppException
;{Nc9d {
V#,jUH| /// <summary>
5hvg]w95; /// 从系统异常类ApplicationException继承的应用程序异常处理类。
>+FaPym /// 自动将异常内容记录到Windows NT/2000的应用程序日志
sqEOXO /// </summary>
=L]GQ=d public class AppException:System.ApplicationException
61~7 L^882 {
Fd;%wWY.zm public AppException()
]ft}fU5C1 {
}{S+C[:_ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
h0aK}`/a }
0}3Xry,{ rQsYt/ public AppException(string message)
eUVhNg {
o JX4+uJ LogEvent(message);
UGP,/[XI }
aCF=Og _]t^F9l public AppException(string message,Exception innerException)
wZ%a:Z4TcM {
EM7Z g 65 LogEvent(message);
b[rVr
J if (innerException != null)
a{@gzB {
F nc MIzp LogEvent(innerException.Message);
G@+R!IG }
gLK _b;: }
?J ,K[.z oe*CZ //日志记录类
+A-z>T( using System;
#GuN.`__n, using System.Configuration;
-R-yr.$j* using System.Diagnostics;
=mYwO=:D using System.IO;
Y=ksrs>w using System.Text;
=$-+~ using System.Threading;
a797'{j#PI ,92wW&2 namespace MyEventLog
]ne {
isU4D /// <summary>
*6aIDFNl /// 事件日志记录类,提供事件日志记录支持
\P;2s<6i\ /// <remarks>
jdX* /// 定义了4个日志记录方法 (error, warning, info, trace)
85_Qb2<'r /// </remarks>
(3? W)i /// </summary>
n.7-$1 public class ApplicationLog
>zo_ }A! {
rlQ=rNrG&E /// <summary>
wE3fKG. /// 将错误信息记录到Win2000/NT事件日志中
LUzn7FZk /// <param name="message">需要记录的文本信息</param>
2GxkOch /// </summary>
*t300`x public static void WriteError(String message)
0=k {
6E{(_i WriteLog(TraceLevel.Error, message);
2&zklXuo: }
(9Of,2]&E V~sfR^FQ' /// <summary>
]@uuB\u /// 将警告信息记录到Win2000/NT事件日志中
C@3UsD\s( /// <param name="message">需要记录的文本信息</param>
mRIBE9K+& /// </summary>
;;K
~ public static void WriteWarning(String message)
97 k}{tG {
7hhv/9L1 WriteLog(TraceLevel.Warning, message);
w/e?K4 }
x
c|1?AFj Vt(s4 /// <summary>
`>&K=C? /// 将提示信息记录到Win2000/NT事件日志中
k_`h (R /// <param name="message">需要记录的文本信息</param>
U&W/Nj /// </summary>
snYyxi public static void WriteInfo(String message)
j@R"AP}
{
* .g[vCy WriteLog(TraceLevel.Info, message);
oFKTBH:I }
9y*2AaxW /// <summary>
LSrKi$ /// 将跟踪信息记录到Win2000/NT事件日志中
{ u3giB /// <param name="message">需要记录的文本信息</param>
9v/=o`J#
/// </summary>
)|6OPR@(#/ public static void WriteTrace(String message)
_%u t# {
gh `]OxA WriteLog(TraceLevel.Verbose, message);
~? :>=x }
V8rS~'{\ =~TPrO^ /// <summary>
?&=JGk^eJ /// 格式化记录到事件日志的文本信息格式
"?^#+@LV /// <param name="ex">需要格式化的异常对象</param>
<k 'zz:[c! /// <param name="catchInfo">异常信息标题字符串.</param>
4BZ7R,m#. /// <retvalue>
[r1dgwh8 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
c8Nl$|B /// </retvalue>
Nw '$r /// </summary>
owx0J,,G public static String FormatException(Exception ex, String catchInfo)
mFmxEv {
w:ASB>,! StringBuilder strBuilder = new StringBuilder();
ZgfhNI\ if (catchInfo != String.Empty)
B'I_i$g4w {
mD%IHzbn
H strBuilder.Append(catchInfo).Append("\r\n");
[Z^26/5a }
sB5@6[VDI strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
gs&F
.n return strBuilder.ToString();
nrR2U` }
&crR nv? K >Q6 /// <summary>
OAaLCpRp /// 实际事件日志写入方法
qERJEyU? /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
&W3Hj$> /// <param name="messageText">要记录的文本.</param>
<cxe /// </summary>
<cO
`jK private static void WriteLog(TraceLevel level, String messageText)
cRE6/qrXGg {
M)~sL1) try
-O\fy! {
BO2s(8 EventLogEntryType LogEntryType;
R$`%<Y3) switch (level)
rX0 ?m:&m {
R'pfA
B|! case TraceLevel.Error:
M+I9k;N6& LogEntryType = EventLogEntryType.Error;
~~@dbB break;
_WZ{ i, case TraceLevel.Warning:
o]WcODJdl LogEntryType = EventLogEntryType.Warning;
y>cLG5v break;
h.wffk, case TraceLevel.Info:
'e_e*.z3 LogEntryType = EventLogEntryType.Information;
g_JQW(_ break;
gvr&7=p case TraceLevel.Verbose:
*'*n}fM LogEntryType = EventLogEntryType.SuccessAudit;
~14|y|\/ break;
<"8F=3:uk default:
B|.A6:1g+ LogEntryType = EventLogEntryType.SuccessAudit;
1je/l9L break;
qHvU4v }
i-?mghe8 Et
y?/ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Ezev
^O] //写入事件日志
?*.:*A eventLog.WriteEntry(messageText, LogEntryType);
_St":9'uU kek/C`7 }
NLu[<u U* catch {} //忽略任何异常
JXHf$k }
P/xEn_*v } //class ApplicationLog
uAs!5h }
(b.4&P"0 8@b`a]lgrd 12.Panel 横向滚动,纵向自动扩展
putRc??o; <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
ui-]%~ x.$cP 13.回车转换成Tab
ttls.~DG <script language="javascript" for="document" event="onkeydown">
>f4[OBc if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
i(;.Y event.keyCode=9;
6uTC2ka[&R </script>
%`~+^{Wp rGrR; onkeydown="if(event.keyCode==13) event.keyCode=9"
G9Noch9
g fhyoSRLR: 14.DataGrid超级连接列
j7$xHnV4 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
/ZM
xVh0 _.E{>IFw 15.DataGrid行随鼠标变色
AxeQv'e private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
f^KN8N {
)~gIJW if (e.Item.ItemType!=ListItemType.Header)
+d?|R5{3 {
KyQTrl.qdl e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
+Jm vB6s e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
JTObyAoW }
ex^9 l b }
e1y#p3 @d (BngwLVDK 16.模板列
N|%r5% <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
=k,?+h~ <ITEMTEMPLATE>
:iGK9I <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
,N;2"$+E </ITEMTEMPLATE>
2.N)N%@ </ASP:TEMPLATECOLUMN>
YQyI{ `,]_r4~ ~ <ASP:TEMPLATECOLUMN headertext="选中">
K#'$_0. <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
\ueCbfV!Z4 <ITEMTEMPLATE>
Jd?qvE>Pp <ASP:CHECKBOX id="chkExport" runat="server" />
59p'U /| </ITEMTEMPLATE>
|KZX_4 <EDITITEMTEMPLATE>
+SE \c <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
uF1&m5^W </EDITITEMTEMPLATE>
^vTx%F </ASP:TEMPLATECOLUMN>
mkfDDl2 GP [qxU
\OSC 后台代码
Vf.*!`UH protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
F=a {
O jNOvh&N //改变列的选定,实现全选或全不选。
~d3@x\I? CheckBox chkExport ;
,CN(;z) if( CheckAll.Checked)
m`):= ^nC {
^Bo'87!. foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
+FAxqCkA {
C<(qk _ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
zbr^ul r chkExport.Checked = true;
<6s@eare8 }
@2mWNYHR*> }
w{u,YM(Q else
f$9|qfW'$ {
+>%51#2.Q foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
8'_MCx( {
+v'2s@e`
# chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
=v'Aub chkExport.Checked = false;
q317~z_nl }
M,X)rM}Q }
}_F:]lI*R }
G Y.iCub &