1. 打开新的窗口并传送参数:
NVcL9"ht*@ u6awcn 传送参数:
azS"*#r6} response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
;ZFn~!V R1{" 接收参数:
C.}Z5BwS string a = Request.QueryString("id");
FC.y%P, string b = Request.QueryString("id1");
do+HPnfDzU FxTOc@< 2.为按钮添加对话框
CsQ}eW8uEf Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Uj(,6K8W button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
R1&(VK{ #J\
2/~ 3.删除表格选定记录
n/=&?#m}d int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
%h4pIA string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
t(\d;ybyx (TVzYm
y 4.删除表格记录警告
I}kx;!*b private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
,fT5I6l {
X%h1r`h& switch(e.Item.ItemType)
T,TKt% {
#hH "g case ListItemType.Item :
>C*q
case ListItemType.AlternatingItem :
gk>A case ListItemType.EditItem:
BBnj}XP*4 TableCell myTableCell;
gX{V>T(< myTableCell = e.Item.Cells[14];
)z=`,\&p: LinkButton myDeleteButton ;
;v[F@O~*) myDeleteButton = (LinkButton)myTableCell.Controls[0];
-9UQs.Nv myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
G!ty@
Fx break;
VWI|`O.w default:
zEl@jK,{$ break;
$83TA><a }
w5bD 7;dV]N }
l=Jbuc r\F`xtR( 5.点击表格行链接另一页
Gm}ecW private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
!}9k
@=[ {
zRx-xWo //点击表格打开
4hg#7#?boW if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
1Yo9Wf;vP e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
$*Njvr7 }
xm6=l".%z xx)egy_ 双击表格连接到另一页
Eyxw.,rB/ ?i>.<IPOq 在itemDataBind事件中
=nh/w# if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
l5b?
'L {
jQFAlO(E': string OrderItemID =e.item.cells[1].Text;
I:P/
?- ...
P5yS`v$@ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
r{pTMcDS }
XkHO = 9fp1*d 双击表格打开新一页
~c%H3e>Jcq if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
YLVIn_\} {
E?l_*[G string OrderItemID =e.item.cells[1].Text;
JK4vQWy ...
_Y4%Fv>@ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
t4R=$
km }
aze}koNE x{`>Il ★特别注意:【?id=】 处不能为 【?id =】
bF;g.-.2 6.表格超连接列传递参数
h$)+$^YI <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
K9\`Wu_qL <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
ne4j_!V{Mf c| 7.表格点击改变颜色
3Kc if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
R*lJe6 {
'#mv- /<t* e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
|QHDg( this.style.color=’buttontext’;this.style.cursor=’default’;");
})#6BN }
ak 94"<p e|Rd# 写在DataGrid的_ItemDataBound里
_&_#uV<WG0 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
6nV]Ec~3[ {
7dhip e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
PJA%aRP,: this.style.color=’buttontext’;this.style.cursor=’default’;");
d#9
\]Ul& e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
g]PmmK_L }
`bw>.Ay ln-+=jk {x{e?c! 8.关于日期格式
)EZ#BF<0| {s&6C- 日期格式设定
~1jSz-s DataFormatString="{0:yyyy-MM-dd}"
JE9SPFQx9M 8Ux3,X= 我觉得应该在itembound事件中
'B ocMjRA e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
*Hx{ eqC fA{[H:*}G 9.获取错误信息并到指定页面
qN%i$mJTo Pb4%"9` 不要使用Response.Redirect,而应该使用Server.Transfer
dY'/\dJ ,_?P[~1 e.g
{gT2G*Ed^Z // in global.asax
^iAOz-H protected void Application_Error(Object sender, EventArgs e) {
\ws<W7 if (Server.GetLastError() is HttpUnhandledException)
zRSIJ!A~ Server.Transfer("MyErrorPage.aspx");
}wJ-*By{+ 'yd<<BM` //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
4+qoq$F</ }
>_bH,/D' 3@P
2]Q~D 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
kXK D>."E* qT7E"|.$ 10.清空Cookie
[(Ss^?AJW Cookie.Expires=[DateTime];
W'WZ@!! Response.Cookies("UserName").Expires = 0
^t,sehpR:l GY@(%^ 11.自定义异常处理
wPdp!h7B~N //自定义异常处理类
is@8x!c using System;
O}5mDx using System.Diagnostics;
{}!`v%z J%]</J namespace MyAppException
-8H0f-1 {
(`<X9w, /// <summary>
!cS
A|C /// 从系统异常类ApplicationException继承的应用程序异常处理类。
w ryjs! /// 自动将异常内容记录到Windows NT/2000的应用程序日志
M|IR7OtLV /// </summary>
VX#4Gh,~N public class AppException:System.ApplicationException
AG/?LPJ {
OE_;i}58 public AppException()
|t](4 {
/sVy"48- if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
1 XsB }
d/oxRzk'L J<J_yRg2 public AppException(string message)
!;EG<ji,gj {
xaiA2 LogEvent(message);
CJ0{>? }
+
q@kRQY;n 4mNg(w=NF public AppException(string message,Exception innerException)
v53qpqc {
Ovu!G
q LogEvent(message);
[AgS@^"sf5 if (innerException != null)
6bj.z {
*Xm$w LogEvent(innerException.Message);
-;rr! cQ? }
7S+_eL^ }
h:%L% Y9z Y)="of //日志记录类
mhTi{t_fHM using System;
.[YM0dt using System.Configuration;
.KH3.v/c| using System.Diagnostics;
P")duv using System.IO;
c!#DD;<Q using System.Text;
rfj>/?8!@ using System.Threading;
i%RN0UO^ mFoE2?Y namespace MyEventLog
=^ {
c~j")o /// <summary>
L O)&|9xw /// 事件日志记录类,提供事件日志记录支持
<i}lP/U /// <remarks>
8bl&-F` /// 定义了4个日志记录方法 (error, warning, info, trace)
0V:7pSC{P /// </remarks>
F/1B>2$` /// </summary>
J~dk4D\ public class ApplicationLog
zg)-RCG {
7ip$#pzo /// <summary>
Qy!*U%tG' /// 将错误信息记录到Win2000/NT事件日志中
dG5p`N% /// <param name="message">需要记录的文本信息</param>
^B)iBfZ /// </summary>
.8[Uk^q public static void WriteError(String message)
ibe#Y {
@&H Tt WriteLog(TraceLevel.Error, message);
q0* e1QL }
eAvOT$ !8'mIXZ$ /// <summary>
B[2 qI7D$ /// 将警告信息记录到Win2000/NT事件日志中
.v<Q-P\8/ /// <param name="message">需要记录的文本信息</param>
eRV4XB : /// </summary>
cPQUR^!5 public static void WriteWarning(String message)
0A$x'pU) {
_G9vsi WriteLog(TraceLevel.Warning, message);
oUXi4lsSc }
ZY NHVR +-8S,Rg@ /// <summary>
b=Rw=K.
/// 将提示信息记录到Win2000/NT事件日志中
!{hC99q6 /// <param name="message">需要记录的文本信息</param>
|/Q7 o1i /// </summary>
~CTe5PX c public static void WriteInfo(String message)
zB,Vi-)vH {
V)HX+D> WriteLog(TraceLevel.Info, message);
P[E:=p }
frsqnvm;+ /// <summary>
j A/xe /// 将跟踪信息记录到Win2000/NT事件日志中
TCb 7-s /// <param name="message">需要记录的文本信息</param>
Z+# =]Kw) /// </summary>
o u%Xnk~ public static void WriteTrace(String message)
Q[5j5vry {
TV^m1uC WriteLog(TraceLevel.Verbose, message);
L?[NXLn+ }
#ZFedK0vv ]I
pLF# /// <summary>
Y`secUg /// 格式化记录到事件日志的文本信息格式
iA=QK
u! /// <param name="ex">需要格式化的异常对象</param>
}a=<Gl|I;w /// <param name="catchInfo">异常信息标题字符串.</param>
@(k}q3b< /// <retvalue>
2@&|/O6_\h /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
TgFj-"L\ /// </retvalue>
j%7N\Vb /// </summary>
tXlo27J public static String FormatException(Exception ex, String catchInfo)
6xDYEvHS {
hT
c
VMc StringBuilder strBuilder = new StringBuilder();
gmF Cjs if (catchInfo != String.Empty)
soSdlV{ {
/iz{NulOz* strBuilder.Append(catchInfo).Append("\r\n");
/Mac:;W` }
D/& 8[Z/Cn strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
iR_j
h=2{ return strBuilder.ToString();
x:Mh&dq? }
N*vBu` '{e9Vh<x /// <summary>
S!\4,6 /// 实际事件日志写入方法
^T^l3B[ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
:K-05$K /// <param name="messageText">要记录的文本.</param>
U/9i'D[|{ /// </summary>
gd#j{yI/Xf private static void WriteLog(TraceLevel level, String messageText)
~ 9F
rlj {
H]^hEQ3DT try
k/U1
: 9 {
WAd5,RZ? EventLogEntryType LogEntryType;
Ib8*rL0p<L switch (level)
{=Z xF {
>v
sy P case TraceLevel.Error:
]j=Eof%Rc LogEntryType = EventLogEntryType.Error;
Rw
j4 break;
tWT,U[ case TraceLevel.Warning:
mgODJ LogEntryType = EventLogEntryType.Warning;
P@LFX[HtM break;
&?(<6v7 case TraceLevel.Info:
!z EW) LogEntryType = EventLogEntryType.Information;
9FGe(t< break;
*wvd[q h case TraceLevel.Verbose:
*9XKkR<r LogEntryType = EventLogEntryType.SuccessAudit;
#pe#(xoI break;
RB,`I#z1f default:
6"OwrJB LogEntryType = EventLogEntryType.SuccessAudit;
\B72 #NR break;
iZ^tLnc }
%S'gDCwq 0.MD_s0)> EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
IjshxNk //写入事件日志
b8QQS#q)V eventLog.WriteEntry(messageText, LogEntryType);
7?1[sPM d*}dM" }
]U4)2s catch {} //忽略任何异常
x6h';W_ 8 }
@pV~Q2% } //class ApplicationLog
u!]g^r }
vZ&{ ZmXO3,sf) 12.Panel 横向滚动,纵向自动扩展
*6C ]CS <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
E4CyW 4lVvs(W? 13.回车转换成Tab
xE.yh#?.k <script language="javascript" for="document" event="onkeydown">
y}\d]*5 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
ApT8;F B event.keyCode=9;
>ocDh~@aP </script>
4G o$OQ` Ml"i^LR+ onkeydown="if(event.keyCode==13) event.keyCode=9"
,$H[DX ;?q>F3n 14.DataGrid超级连接列
bjR:5@" DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Ba8 s t9U-c5bR 15.DataGrid行随鼠标变色
?3duW$` private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
B.Szp_$ {
l?f%2:}m if (e.Item.ItemType!=ListItemType.Header)
qcmf*Yl:v {
[.
rULQl e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
6d# 7 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
=ws iC' }
j\LJ{?;jC }
B(eC|:w[z *wfb~&:} 16.模板列
jmE\+yz <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
[iO*t,3@h <ITEMTEMPLATE>
XCo3pB
Wq~ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
VZhHO
d </ITEMTEMPLATE>
d~|/LR5 </ASP:TEMPLATECOLUMN>
0gIJ&h6*f ?q*,,+'0 <ASP:TEMPLATECOLUMN headertext="选中">
r;7&U<j~Z <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
]ChGi[B~9 <ITEMTEMPLATE>
]%Db %A <ASP:CHECKBOX id="chkExport" runat="server" />
:`Z'vRj </ITEMTEMPLATE>
MsD@pa <EDITITEMTEMPLATE>
lTR/o <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
tCVaRP8eC+ </EDITITEMTEMPLATE>
0etJ, _"> </ASP:TEMPLATECOLUMN>
3g{T+c* aioN)V 后台代码
BH<jnQ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
ozCH1V{p {
cns~)j~ //改变列的选定,实现全选或全不选。
5McOSy CheckBox chkExport ;
U65a_dakk if( CheckAll.Checked)
*"HA=-Z; {
> &V Y foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
#~JR_oQE! {
<@](uWu chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
n>o0PtGxC chkExport.Checked = true;
o4U[;.?c }
1y{@fg~.. }
y@'~fI!E4 else
,,Ia 4c
{
bT8 ?(Iu foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
\'>8 (i~ {
aCZ7G
%Y chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
( +x!wX( x chkExport.Checked = false;
(p1}i::Y8 }
b\.l!v n0 }
8o7%qWX }
RAs5<US: o-ee3j. 17.数字格式化
B*-A erdH &UextG