1. 打开新的窗口并传送参数:
Q8P;AN_JS x|Q6[Y 传送参数:
Y!SD^Ie7! response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
Pukq{/27 c,+oH<bZZs 接收参数:
5Po.&eS string a = Request.QueryString("id");
wp@c;gK7 string b = Request.QueryString("id1");
t!K|3>w tV<Au 2.为按钮添加对话框
t!PFosFp Button1.Attributes.Add("onclick","return confirm(’确认?’)");
1e&`m~5K+ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
h[ tOY 8`im4.~#% 3.删除表格选定记录
BtjsN22 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
*:_.cbo string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
]-0
&[@I4@ [H"Ods~_` 4.删除表格记录警告
79i>@u% private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
O ~"^\]\ {
9zX\ioT switch(e.Item.ItemType)
7qs[t7-h? {
,,i;6q_f case ListItemType.Item :
WjA)0HL( case ListItemType.AlternatingItem :
\tQRyj\| case ListItemType.EditItem:
&"d4J?io` TableCell myTableCell;
LDbo myTableCell = e.Item.Cells[14];
]ao]?=q C LinkButton myDeleteButton ;
\ii^F?+b myDeleteButton = (LinkButton)myTableCell.Controls[0];
x*_c'\F| myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
5:YtBdP break;
H
>RGX#| default:
JNZKzyJ9K break;
R^K<u#>K }
aZmSCi:&' 2Qn%p[#n }
`B^?Za,xN 8(ZQD+U(9F 5.点击表格行链接另一页
tv?~LJYN private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
??k^Rw+0R {
oW-luC+ //点击表格打开
($ae n if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
zRu}lJ1#W$ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
b7=]"|c$@ }
P$qIB[Xi
vH`u 双击表格连接到另一页
Rk"_4zJk %]NbTTL 在itemDataBind事件中
X3'z'5 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
R(Z2DEt</ {
398%16} string OrderItemID =e.item.cells[1].Text;
]2v31' ...
}bHdU]$} e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
=_TCtH }
;zs4>>^> u dH7Q&" 双击表格打开新一页
|JrG?:n if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Z>o20uA {
TlM ]d;9G string OrderItemID =e.item.cells[1].Text;
uYJ6"j ...
WM9QC59 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
eoow]me }
i 1 &L+u]&!6C ★特别注意:【?id=】 处不能为 【?id =】
U|iSJ%K 6.表格超连接列传递参数
]2tX'=X <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
.vwOp*3\ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
,u!c|4 J#bEAK^L,l 7.表格点击改变颜色
i9+V<'h if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
YMJ?t" {
I2D<~xP~2+ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
'|Cs!Zl this.style.color=’buttontext’;this.style.cursor=’default’;");
0gxbo }
w!tQU9+* 5q"
;R$+j 写在DataGrid的_ItemDataBound里
:0V <
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
0hCJovSG% {
`y
m^0x8 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
CkIICx this.style.color=’buttontext’;this.style.cursor=’default’;");
KeY)%{ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Nqy',N }
nz+DPk[" :Bda]]Y= ]#_,?d 8.关于日期格式
O
/aC%% spgY &OI; 日期格式设定
,HR~oT^ DataFormatString="{0:yyyy-MM-dd}"
K+PzTGWq^ q1Ah!9B 我觉得应该在itembound事件中
N#Y4nllJ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
P|c79 _ 4pBJOJQ6 9.获取错误信息并到指定页面
CShVJ:u+K\ R)ejIKtY 不要使用Response.Redirect,而应该使用Server.Transfer
hE+6z%A8 %I[(`nb e.g
.-fJ\`^mi // in global.asax
k$#
@_ protected void Application_Error(Object sender, EventArgs e) {
TRG"fVR if (Server.GetLastError() is HttpUnhandledException)
GIt;Y Server.Transfer("MyErrorPage.aspx");
m?bb/o'B Q:lSKf //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Lab{?!E>U }
8qo{% OP%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
;OE{& NC|&7qQ 10.清空Cookie
5fM/y3QPsZ Cookie.Expires=[DateTime];
X 1^f0\k Response.Cookies("UserName").Expires = 0
l8n#sGA % ]g!k'@ 11.自定义异常处理
$]!uX& //自定义异常处理类
}[$ C=|> using System;
5c`DkWne% using System.Diagnostics;
v~uQ_ae$> 8kX3.X` namespace MyAppException
%TvunV7NQS {
@D Qg1|m /// <summary>
hekAics6S /// 从系统异常类ApplicationException继承的应用程序异常处理类。
H>a3\M /// 自动将异常内容记录到Windows NT/2000的应用程序日志
VTy!<I /// </summary>
3Ud&B public class AppException:System.ApplicationException
'R99kL/.N {
uXyNj2(d. public AppException()
G{$9e}# {
t&eY+3y,T if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
zH}u9IR3` }
\^w=T* +7^{T:^ht public AppException(string message)
.0r5= {
+|r)
;>b LogEvent(message);
n!A')]y" }
ycIT=AFYqd @| qnD public AppException(string message,Exception innerException)
`N;u#z {
L*11hyyk LogEvent(message);
;Hv#SRSz if (innerException != null)
/<Zy-+3 {
?7YX@x LogEvent(innerException.Message);
!634 8nU: }
rmk'{" }
R1\cAP^0 (+q?xwl!N //日志记录类
UdT~h using System;
E_/v$ using System.Configuration;
Y[X5S{H`wj using System.Diagnostics;
cg}46)^<QH using System.IO;
JIjqGxR using System.Text;
=
r_&R#~GT using System.Threading;
:~{XL >:S QaUh+k<6 namespace MyEventLog
&B/cy<;y, {
*<OWd'LI /// <summary>
w[n|Sauy, /// 事件日志记录类,提供事件日志记录支持
p$0;~1vH /// <remarks>
6WzE'0Nyr /// 定义了4个日志记录方法 (error, warning, info, trace)
VgN`'
iC`I /// </remarks>
VABrw t /// </summary>
ig7)VKr public class ApplicationLog
QSmE:Y {
*B#<5<T /// <summary>
5MO:hE5sm /// 将错误信息记录到Win2000/NT事件日志中
BAx)R6kS; /// <param name="message">需要记录的文本信息</param>
JOx75} /// </summary>
^Qs-@]E- public static void WriteError(String message)
{uDL"~^\ {
\b1I<4( WriteLog(TraceLevel.Error, message);
;yx+BaG~? }
cJGA5m/{I \"<&8 /// <summary>
P (_:8|E /// 将警告信息记录到Win2000/NT事件日志中
f)vD2_E /// <param name="message">需要记录的文本信息</param>
jCtl
] /// </summary>
k'xnl"q public static void WriteWarning(String message)
<xOpm8 {
8L|rj4z<# WriteLog(TraceLevel.Warning, message);
7'xT)~*$4 }
7"Zr:|$U O HR9u /// <summary>
V89!C?.[]1 /// 将提示信息记录到Win2000/NT事件日志中
7Q/v#_e( /// <param name="message">需要记录的文本信息</param>
LGgEq- /// </summary>
Wu2#r\
public static void WriteInfo(String message)
T=A7f6` {
LrsP4G WriteLog(TraceLevel.Info, message);
7?]gUrE }
jcYI"f"~ /// <summary>
:2
n5;fp /// 将跟踪信息记录到Win2000/NT事件日志中
[64K?l0& /// <param name="message">需要记录的文本信息</param>
C;OU2,c,T /// </summary>
tv,^ Q} public static void WriteTrace(String message)
vpMNulXb, {
H2zd@l:R WriteLog(TraceLevel.Verbose, message);
Km'd=B>Jy }
VjMd&>G fFqK.^Tn /// <summary>
3`5?Zgp /// 格式化记录到事件日志的文本信息格式
3BKW /// <param name="ex">需要格式化的异常对象</param>
Ad+-/hxc /// <param name="catchInfo">异常信息标题字符串.</param>
bsR^H5O@ /// <retvalue>
VVYQIR]!yk /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
q@8Rlc& /// </retvalue>
TXH: + m c /// </summary>
#OJsu public static String FormatException(Exception ex, String catchInfo)
SdYES5aES {
:{E3H3 StringBuilder strBuilder = new StringBuilder();
Vj:)w<], if (catchInfo != String.Empty)
7Aq4YjbX {
]zhFFq` strBuilder.Append(catchInfo).Append("\r\n");
^pKC0E[% }
o{f n} strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
X:j&+d2g0/ return strBuilder.ToString();
#ie{!Mh }
Y\%R6/Gj|u &+J5GHt@ /// <summary>
F<Z"W}I+6 /// 实际事件日志写入方法
o//N"S.) /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
kVe^g]F /// <param name="messageText">要记录的文本.</param>
s><RL]+{G+ /// </summary>
+7sdQCO(Co private static void WriteLog(TraceLevel level, String messageText)
b!PN6<SI {
WLDt5R try
h}g _;k5R {
D4c}z#}*0 EventLogEntryType LogEntryType;
"@$o'rfT switch (level)
5\S)8j `8 {
4T Gg`$e; case TraceLevel.Error:
8T&m{s LogEntryType = EventLogEntryType.Error;
)fA9,yNJ3 break;
-+'{C= case TraceLevel.Warning:
pE^L Qi LogEntryType = EventLogEntryType.Warning;
oHxaa>C> break;
1 mFc]1W case TraceLevel.Info:
$gJMF( LogEntryType = EventLogEntryType.Information;
GNZQj8 break;
shYcfLJ case TraceLevel.Verbose:
N{q5E,} LogEntryType = EventLogEntryType.SuccessAudit;
'"GdO;}& break;
6:330"9 default:
0 -=onX LogEntryType = EventLogEntryType.SuccessAudit;
ZZ] /9oiF% break;
A^3cP, L }
[\ @!~F{ YZr^;jfP EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
ucJR #14 //写入事件日志
29,`2fFr eventLog.WriteEntry(messageText, LogEntryType);
Kcsje_I-M q.K >v' }
]^8:"Ky' catch {} //忽略任何异常
ky#<\K1}' }
3543[W#a } //class ApplicationLog
^Ac0#oX]M }
pZlBpGQf %vxd($Ti" 12.Panel 横向滚动,纵向自动扩展
1Q#hanh_` <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
?9Fv0-g&n _&19OD% 13.回车转换成Tab
l1gAm # <script language="javascript" for="document" event="onkeydown">
FT[wa-b if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
U5dJ=G event.keyCode=9;
y!blp>V6 </script>
N95"dNZE U87VaUr onkeydown="if(event.keyCode==13) event.keyCode=9"
No=f&GVg '?_I-="Mr 14.DataGrid超级连接列
AY[7yPP DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
[9'5+RXw3 Dr7,>Yx 15.DataGrid行随鼠标变色
v;JY;Uh|
private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
!yojZG MB {
tE(x8>5A: if (e.Item.ItemType!=ListItemType.Header)
E 7;KG^ {
:}+U?8/"7 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
IR5 S-vO e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
$ daI++v`
}
w{I60|C]* }
Q]{DhDz?+ 7yeZ+lD 16.模板列
PM[6U# <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
e7]IEBbX2O <ITEMTEMPLATE>
S8.nM}x <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
qW?^_ </ITEMTEMPLATE>
yw#P<8{/[ </ASP:TEMPLATECOLUMN>
"y_$!KY% h*_r='
E <ASP:TEMPLATECOLUMN headertext="选中">
o'>jO.| <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
68;,hS*|6 <ITEMTEMPLATE>
x03G Jy5 <ASP:CHECKBOX id="chkExport" runat="server" />
]A<\d </ITEMTEMPLATE>
14s+& <EDITITEMTEMPLATE>
B,e@v2jO| <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
j(va#f# </EDITITEMTEMPLATE>
z<: 9,wtbP </ASP:TEMPLATECOLUMN>
7:jSP$ `S;pn+5 后台代码
4>0xS- protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
57K1e~^ {
CSt6}_c! //改变列的选定,实现全选或全不选。
h,TDNR<1L CheckBox chkExport ;
|PI.xl:ch if( CheckAll.Checked)
+:/`&LOS- {
%+o]1R foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
~qFi0<-M {
pC_2_,6$ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
C\$7C5/ chkExport.Checked = true;
9 I]*T }
OFQsfW3O }
9
r+' o# else
dkG-Yz~ {
,i>5\Yl% foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
U~Uxs\0: {
luat1#~J chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
BIw9@.99B- chkExport.Checked = false;
^~=o?VtBg }
`.L8<