1. 打开新的窗口并传送参数:
im4V6 f;% sT'wps 2 传送参数:
1&Nk response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
4vp,izNW _@jl9<t=_ 接收参数:
WR gAc% string a = Request.QueryString("id");
,MuLu,$/ string b = Request.QueryString("id1");
OHM.xw*?. &{/ `Q, 2.为按钮添加对话框
p>|;fS\`@} Button1.Attributes.Add("onclick","return confirm(’确认?’)");
B.Ic8' button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
MDl rkG*0#k 3.删除表格选定记录
SDDs}mV int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
~\:+y string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
HrEZ]iQ@O0 T3%yV*F, 4.删除表格记录警告
7PHvsd"]p private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
2syKYHV {
Ny
p5= switch(e.Item.ItemType)
;:8_H0X'K {
'hf-)\Ylf case ListItemType.Item :
yi
r#G""7 case ListItemType.AlternatingItem :
r3_@ L>; case ListItemType.EditItem:
lNls8@ TableCell myTableCell;
L?4c8!Q myTableCell = e.Item.Cells[14];
nWmc LinkButton myDeleteButton ;
tjuW+5O myDeleteButton = (LinkButton)myTableCell.Controls[0];
!$qNugLg myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
p,$1%/m break;
{cq; SH default:
o @~XX@5l break;
I zM =?,` }
1LT)%_d@ tiI>iP`! }
FzA_-d/_dg j#3}nJB%#i 5.点击表格行链接另一页
^HX={(ddK private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
>2vl & ( {
!`)-seTm //点击表格打开
cC&R~h]| if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
DZR kK3 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
HiILJyb }
Xv9kJ |
z$ba:u5 双击表格连接到另一页
9%>H}7= &}YB!6k h^ 在itemDataBind事件中
6./h0kD` if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
(s,Nq~O {
bx!Sy0PUJ string OrderItemID =e.item.cells[1].Text;
ZRsDn ...
ol:,02E& e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
P\*-n" }
?dC[VYC\^ S2;{)"mS 双击表格打开新一页
,BOB &u if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
~}$:iyJV(> {
J0C<Qb[ string OrderItemID =e.item.cells[1].Text;
}\OLBg/ ...
<!-8g! e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
(
y'i{:B }
4Y Xtl+G _ZC4O&fL ★特别注意:【?id=】 处不能为 【?id =】
D0~ WK
stl 6.表格超连接列传递参数
bhnm<RZ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
m:/ nw, <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
rV[#4,} PF :-Ho5DHg 7.表格点击改变颜色
q'hMf?_ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
*8kg6v% {
4~ZQsw` e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Lk4&&5q this.style.color=’buttontext’;this.style.cursor=’default’;");
rcOpOoU| }
eP(%+[g 'g|%Ro/ 写在DataGrid的_ItemDataBound里
2:&8FdU if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
i8Y l1nF {
}8fxCW*| e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
N@58R9P<p this.style.color=’buttontext’;this.style.cursor=’default’;");
3!Rb{ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
&s\$&%| }
f?2Y np=@ !b7]n-1zs N 2L/A 8.关于日期格式
D3HE~zkI w`c9_V 日期格式设定
p! zC DataFormatString="{0:yyyy-MM-dd}"
%R7Q`!@8 V7[Dvg:W 我觉得应该在itembound事件中
d3&gHt2 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
V`pTl3 *<Fz1~%* 9.获取错误信息并到指定页面
JUF[Y^C ~ifq_Ag. 不要使用Response.Redirect,而应该使用Server.Transfer
/49PF:$? r*0a43mC1 e.g
U@ALo // in global.asax
(|bMtT?"x protected void Application_Error(Object sender, EventArgs e) {
}rn}r4_a if (Server.GetLastError() is HttpUnhandledException)
Kbg`ZO* Server.Transfer("MyErrorPage.aspx");
q4xB`G 4)]g=-3 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
^h1VCyoR* }
N#bWMZ" (=QaAn,,R 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
ie
2X.# 5w@ ;B 10.清空Cookie
v"F.<Q Cookie.Expires=[DateTime];
dt',)i8D Response.Cookies("UserName").Expires = 0
one^XYy1% Hm-+1Wx 11.自定义异常处理
B(:Kw;r? //自定义异常处理类
6pLB`1[v using System;
--Dw using System.Diagnostics;
c1jHg2xim {,]BqFXv namespace MyAppException
)gmDxD
^C {
^;6~=@#*C /// <summary>
zt[TShD^ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
rPaD#GA[7 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
#E{aN?_ /// </summary>
6mep|![6 public class AppException:System.ApplicationException
h|!B;D {
oeDsJ6; public AppException()
r{YyKSL1*K {
SR*%-JbA if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
bsuUl*l) }
p87s99 xGk@BA=0< public AppException(string message)
n{r+t=X {
%,K |v LogEvent(message);
U`W^w% }
>-s}1*^=oD L}XEROTR public AppException(string message,Exception innerException)
"<v_fF<Y {
$a15
8 LogEvent(message);
6x]|IWvW if (innerException != null)
q)G*" {
KjZ^\lq' LogEvent(innerException.Message);
_xl#1>G^J }
[l-zU}u&v }
,^26.p$ 6lT1X) //日志记录类
yx{Ac|<mR using System;
UciWrwE using System.Configuration;
hO;bnt%( using System.Diagnostics;
>:W)9o using System.IO;
8kW9.
using System.Text;
@tEVgyN using System.Threading;
E;VB oN [ vEtogkFA" namespace MyEventLog
ZNOoyWYi5 {
pr;<n\Y{ /// <summary>
6ynQCD /// 事件日志记录类,提供事件日志记录支持
xXA$16kd /// <remarks>
<j:3<''o /// 定义了4个日志记录方法 (error, warning, info, trace)
XhWMvme /// </remarks>
iV'-j,-i /// </summary>
v0"|J3 public class ApplicationLog
I;P?P5H {
X-:Ni_O\ty /// <summary>
M\\TQ(B /// 将错误信息记录到Win2000/NT事件日志中
2Mu-c:1 /// <param name="message">需要记录的文本信息</param>
Ef%8+_ /// </summary>
iN`/pW/JE public static void WriteError(String message)
EOtrrfT& {
n 8AND0a1C WriteLog(TraceLevel.Error, message);
u%XFFt5 }
*9j9=N? *uA?}XEfi /// <summary>
<e/O"6='Z /// 将警告信息记录到Win2000/NT事件日志中
g?`D8 /// <param name="message">需要记录的文本信息</param>
II>X6 /// </summary>
xBgf)'W_Z public static void WriteWarning(String message)
y^;qT_)# {
Qi=rhN` WriteLog(TraceLevel.Warning, message);
M? [lpH3 }
JO :m:
M lmH!I)5 /// <summary>
rt^z#2$ /// 将提示信息记录到Win2000/NT事件日志中
&sS k~: /// <param name="message">需要记录的文本信息</param>
_j%Rm:m;< /// </summary>
ry~3YYEMI0 public static void WriteInfo(String message)
M#<x2ojW {
Q.z2 (& WriteLog(TraceLevel.Info, message);
V9Au\ }
MYN1zYT6j /// <summary>
8^dGI9N
/// 将跟踪信息记录到Win2000/NT事件日志中
L'aMXNO /// <param name="message">需要记录的文本信息</param>
$ZcmE<7k /// </summary>
^jf$V#z0/ public static void WriteTrace(String message)
et9c<' {
hp,T(D| WriteLog(TraceLevel.Verbose, message);
g:[&]o} :9 }
6Otv[8^} }ZVNDvGH /// <summary>
,l0s(Cg /// 格式化记录到事件日志的文本信息格式
GExG1n- /// <param name="ex">需要格式化的异常对象</param>
5Qy,Pkje /// <param name="catchInfo">异常信息标题字符串.</param>
NA/+bgyuT> /// <retvalue>
*
+OAc`8 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
,ypxy/ /// </retvalue>
QO#ZQ~ /// </summary>
l\$C)q6O public static String FormatException(Exception ex, String catchInfo)
n0vPW^EQ {
^f<f&V StringBuilder strBuilder = new StringBuilder();
5.GBd_; if (catchInfo != String.Empty)
<}4|R_xY# {
6@l:(-(j2A strBuilder.Append(catchInfo).Append("\r\n");
Z: Kob
b }
zEO
9TuBO strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Jt)<RMQ^R return strBuilder.ToString();
=602%ef\ }
KJ9~"v
K[?wP>s /// <summary>
FfD2
&(-R /// 实际事件日志写入方法
Llk` /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
HnY: gu /// <param name="messageText">要记录的文本.</param>
3_33@MM /// </summary>
^xqh! private static void WriteLog(TraceLevel level, String messageText)
c#Y9L+O {
8V}c(2m try
|ZZ3Qr+%S {
&Q&$J )0 EventLogEntryType LogEntryType;
8uI^ B switch (level)
!. 0W?6yo {
X(WG:FP27 case TraceLevel.Error:
9R ugkGy LogEntryType = EventLogEntryType.Error;
Z>M*!mQi break;
q5HHMHB case TraceLevel.Warning:
[Xz7.<0#U LogEntryType = EventLogEntryType.Warning;
Mm/GIa break;
2l\Oufer" case TraceLevel.Info:
S:1! )7 LogEntryType = EventLogEntryType.Information;
,9A[o`b break;
.S5&MNE case TraceLevel.Verbose:
ko,
u LogEntryType = EventLogEntryType.SuccessAudit;
v
WhtClJ3 break;
D~mGv1t"
default:
4cV(Z-\ LogEntryType = EventLogEntryType.SuccessAudit;
mS%D"
e break;
x1Si&0T0P< }
*{-XN ~V./*CQ\c EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
L1D%vu` //写入事件日志
`mWg$e, eventLog.WriteEntry(messageText, LogEntryType);
9]7^/g*! vkt)!hl ` }
-7pZRnv catch {} //忽略任何异常
S8]g'! }
99ZQlX } //class ApplicationLog
RKBtwZx>f }
\}<nXn! ]"YG7|E U 12.Panel 横向滚动,纵向自动扩展
i\t4TdEx( <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
,$*IJeKx -AffKo 13.回车转换成Tab
XDI@mQmzB <script language="javascript" for="document" event="onkeydown">
FvvF4
,e5 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
`Zk?.1*2/ event.keyCode=9;
Ng-3|N </script>
Pd@?(WQ ^$T>3@rDB onkeydown="if(event.keyCode==13) event.keyCode=9"
G4=v2_] 9^aMmN&6N2 14.DataGrid超级连接列
R_Hdi~ k DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
kj-Sd^ +Uk/Zg
w^ 15.DataGrid行随鼠标变色
s+(8KYTs` private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
VTV-$Du[} {
H ~$a6T"& if (e.Item.ItemType!=ListItemType.Header)
U|y+k` {
w>!KUT e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Q p<6qM35 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
YL{LdM-xM }
:|fzGf }
QzV:^!0J | 9(uiWf 16.模板列
2} T"|56 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
lJK U^?4S8 <ITEMTEMPLATE>
7d9%L}+q <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
3N<FG.6 </ITEMTEMPLATE>
&1VC0"YJWy </ASP:TEMPLATECOLUMN>
>Vg<J~[g !J+5l& <ASP:TEMPLATECOLUMN headertext="选中">
_$F I> <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
q'1rSK <ITEMTEMPLATE>
[1Vh3~>J6 <ASP:CHECKBOX id="chkExport" runat="server" />
?p}m[9@ </ITEMTEMPLATE>
mT)iN`$Y@ <EDITITEMTEMPLATE>
OP>'<FK <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
fwOvlD&e </EDITITEMTEMPLATE>
]^.#d </ASP:TEMPLATECOLUMN>
Z$+0gm\Cnw Bh@j6fv 后台代码
Ao=.=0os protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
^(a %B {
lJ}lO,g //改变列的选定,实现全选或全不选。
;zp0,[r CheckBox chkExport ;
JA1(yt if( CheckAll.Checked)
=m1B1St 2 {
>-]Y%O;} foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
0A|.ch {
f4:gD*YT chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
&%INfl>o7. chkExport.Checked = true;
yyBy|7QgO }
a[t2TjB }
~KCOCtiD else
o,u-% {
i"zWv@1z foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
p5Y"W(5_ {
r6j
3A chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
5]gd,&^?> chkExport.Checked = false;
ZG<