1. 打开新的窗口并传送参数:
F Xr\ <+
[N* 传送参数:
=$y J66e response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
J;wBS w%1 >2),HZp^I 接收参数:
P=<lY}, string a = Request.QueryString("id");
z(%tu string b = Request.QueryString("id1");
t&w.Wc X) m6K7D([f 2.为按钮添加对话框
2NjgLXP Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Gukvd6-g9b button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Srmr`[i ' ,]Aj!q 3.删除表格选定记录
V{q*hQd_3 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
DOFW"Sp E string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
i={4rZOD^ CC3i@ 4.删除表格记录警告
WW6-oQs_#* private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
q&9]4j {
C|IHRw`[ switch(e.Item.ItemType)
"bRjY?D {
/\mYXi\ case ListItemType.Item :
(vD==n9Hd case ListItemType.AlternatingItem :
\P":V case ListItemType.EditItem:
0iR?r+| TableCell myTableCell;
3[_WTwX0 myTableCell = e.Item.Cells[14];
J> ,w},` LinkButton myDeleteButton ;
VrfEa d myDeleteButton = (LinkButton)myTableCell.Controls[0];
DxN\ H" myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
cc`u{F9 break;
y1}2hT0, default:
+IbV break;
o(?9vU }
8mdVh\i!Kf h/:LC 7 }
9yTDuhJ6 G;wh).jG5 5.点击表格行链接另一页
NCzabl private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
#tsP {
w;Fy/XQ //点击表格打开
:~W(#T,$E if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
[9 :9<#?o^ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
ju;OQC~[L] }
iumwhb XA>uCJf 双击表格连接到另一页
rB]2qk`/' *Od?>z 在itemDataBind事件中
f9Xa}* if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
[X]hb7-&
{
~fL`aU& string OrderItemID =e.item.cells[1].Text;
z!b:|*m]w ...
%1#|>^ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
dZ*&3.#D5 }
Y$Rte.? '?.']U,: $ 双击表格打开新一页
NPO!J^^ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
EFI!b60mc {
gG.+3= string OrderItemID =e.item.cells[1].Text;
p-(V2SP/)t ...
%q eNC\6N e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
@C[p? ak }
k^;/@: 'ta&qp ★特别注意:【?id=】 处不能为 【?id =】
4)}>dxv 6.表格超连接列传递参数
l]t^MEoc8 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
l'2vo=IQ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
M3!;u%~}s ZvC?F=tH 7.表格点击改变颜色
(yuOY/~k/ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
|cuKC \ {
0d:t=LKw) e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
=2rdbq6R this.style.color=’buttontext’;this.style.cursor=’default’;");
@Ss W }
1\/vS$bi( $Fc}K+ 写在DataGrid的_ItemDataBound里
>Q"3dw if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
wfu`(4 {
=I&BO[d e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
g%^/^<ei this.style.color=’buttontext’;this.style.cursor=’default’;");
NgsEEPu? e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
,SdxIhL }
[z7]@v6b z,dFDl$ -R];tpddR5 8.关于日期格式
G i( = 4|"<8' 日期格式设定
!P=L0A` DataFormatString="{0:yyyy-MM-dd}"
6q0)/|,@ H0lW gJmi| 我觉得应该在itembound事件中
S_??G:i e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
b 5K"lPr kDQE*o 9.获取错误信息并到指定页面
l$HBYA\Qh MZX@Gi<S[ 不要使用Response.Redirect,而应该使用Server.Transfer
C~.\2D`zy {H9g&pfv e.g
xi,fm // in global.asax
}9z$72;Qdq protected void Application_Error(Object sender, EventArgs e) {
"5N$u(: b if (Server.GetLastError() is HttpUnhandledException)
G'wW-| Server.Transfer("MyErrorPage.aspx");
AhjCRYk+ 9-1'jNV //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
*h5L1Eq }
xa?auv! e_rEu'[av 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
c;yp}k]\ $6r>
Tc]( 10.清空Cookie
+yk 0ez Cookie.Expires=[DateTime];
e&[~}f? Response.Cookies("UserName").Expires = 0
w_QWTD0 UIIsgNca 11.自定义异常处理
]*)l_mut7 //自定义异常处理类
CSWA/#&8> using System;
ZN'B@E=p using System.Diagnostics;
wF6a*b@v #X{lV]Z namespace MyAppException
,ag*
/ {
R Eo{E /// <summary>
] ONmWo77o /// 从系统异常类ApplicationException继承的应用程序异常处理类。
HuSE6an /// 自动将异常内容记录到Windows NT/2000的应用程序日志
ao(Lv+
/// </summary>
Gw6!cp|/ public class AppException:System.ApplicationException
_]3#C[1L {
o:as}7/^ public AppException()
mmNn,>AO! {
-J]N
&[ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
6Rg>h }
lPA}06hU Ts=TaRwWf public AppException(string message)
@K#}nKN' {
6*|EB|%n LogEvent(message);
{Rxb_9 }
7fT_]H8 ~ `{{Z& public AppException(string message,Exception innerException)
{=3'H?$ {
,^v_gc LogEvent(message);
=XSupM[T if (innerException != null)
4VsttT {
'XYjo&w LogEvent(innerException.Message);
=gd~rk9 }
k%N$eO$ }
*J4\KU Z{F^qwne //日志记录类
1^WkW\9kO using System;
LiGECqWBa' using System.Configuration;
(J(SwL| using System.Diagnostics;
YXU2UIY<~ using System.IO;
2j{T8F\] using System.Text;
}^odUIj using System.Threading;
^Vc(oa&; [8WG namespace MyEventLog
?xQm_
91X^ {
9:E.Iy /// <summary>
4a.8n!sys /// 事件日志记录类,提供事件日志记录支持
\y7\RV>>3b /// <remarks>
Oo>Uu{{ /// 定义了4个日志记录方法 (error, warning, info, trace)
\x8'K /// </remarks>
Gch3|e /// </summary>
HMKogGTTo public class ApplicationLog
x IL]Y7HWM {
uF
D /// <summary>
>ca`0gu /// 将错误信息记录到Win2000/NT事件日志中
w,!N{hv( /// <param name="message">需要记录的文本信息</param>
_.W;hf` /// </summary>
>#.du}t public static void WriteError(String message)
$JK,9G[Vu {
%wJ?+D/ WriteLog(TraceLevel.Error, message);
nIUts?mB }
3JF" O+@ UH5A;SrTqR /// <summary>
O;(n[k /// 将警告信息记录到Win2000/NT事件日志中
~Hb0)M@y7 /// <param name="message">需要记录的文本信息</param>
ZJjm r,1 /// </summary>
JY D\VaW public static void WriteWarning(String message)
ZRa~miKyM {
_2}/rwVg WriteLog(TraceLevel.Warning, message);
_znn `_N:v }
,A0v 5Q<
}[;r-5} /// <summary>
D*wY,\ /// 将提示信息记录到Win2000/NT事件日志中
h{ EnS5~ /// <param name="message">需要记录的文本信息</param>
!}"P Hby5N /// </summary>
7U&<{U< public static void WriteInfo(String message)
E@Yq2FBpnn {
q-+_Y `_\ WriteLog(TraceLevel.Info, message);
]^QO^{Sz }
mw\Pv| /// <summary>
4%SA%]a L1 /// 将跟踪信息记录到Win2000/NT事件日志中
}$3pS:_N~ /// <param name="message">需要记录的文本信息</param>
2(9~G|C. /// </summary>
?y~"\iP public static void WriteTrace(String message)
S=`#X,Wo {
r!p:73L8 WriteLog(TraceLevel.Verbose, message);
0(A&m , }
R\u5!M$:: Dv=pX.Z+ /// <summary>
qcBamf /// 格式化记录到事件日志的文本信息格式
*OY
Nx4 k /// <param name="ex">需要格式化的异常对象</param>
+3R/g@n /// <param name="catchInfo">异常信息标题字符串.</param>
_U~~[I /// <retvalue>
&&sm7F% /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
bI)%g /// </retvalue>
lygv#s-T /// </summary>
v
5&8C public static String FormatException(Exception ex, String catchInfo)
,e*WJh8k[ {
AIM<mU StringBuilder strBuilder = new StringBuilder();
^`9O$.'@ if (catchInfo != String.Empty)
. H8 6f != {
A] f^9F@ strBuilder.Append(catchInfo).Append("\r\n");
H+N6VVnO }
wJWofFz strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Gnie|[3 return strBuilder.ToString();
9Om3<der }
6[a;83 mk3,ke8 /// <summary>
9H
cxL /// 实际事件日志写入方法
:-T[)Q+-3 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
+,4u1`c|$ /// <param name="messageText">要记录的文本.</param>
^
`[T0X /// </summary>
QM=Y}
private static void WriteLog(TraceLevel level, String messageText)
'#612iZo {
6J3<k(#: try
'u:J
" {
8+&Da EventLogEntryType LogEntryType;
nX+c
HF switch (level)
3?wL)6Uj8J {
lnrs4s Km case TraceLevel.Error:
i#Z#(D
`m LogEntryType = EventLogEntryType.Error;
-EWC3,3 break;
Ap<j;s4` case TraceLevel.Warning:
1Zgv+. LogEntryType = EventLogEntryType.Warning;
B[7Fq[.mh break;
j=PM] case TraceLevel.Info:
4{D^ 4G LogEntryType = EventLogEntryType.Information;
w+{ o^O break;
A 1aN<!ehB case TraceLevel.Verbose:
{6>:=?7]R LogEntryType = EventLogEntryType.SuccessAudit;
G~zP&9N| break;
sl G%o5|m default:
Vx=tP.BO] LogEntryType = EventLogEntryType.SuccessAudit;
qfgw^2aUa break;
a)rT3gl }
7vB6IF f/^T:F6 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
,egbU(:l //写入事件日志
?s9f}> eventLog.WriteEntry(messageText, LogEntryType);
?H21Ru>:* 0@}:`OynX }
F Xp_`9.zH catch {} //忽略任何异常
`s_k+ g }
idY
Xv)R } //class ApplicationLog
+-MieiKv }
_>Oc>.MB aj$&~-/
R 12.Panel 横向滚动,纵向自动扩展
D4U<Rn6N_5 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
|DXi~ )3)fq:[ 13.回车转换成Tab
~Z$Ro/;l <script language="javascript" for="document" event="onkeydown">
_16r8r$V if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
D#d
\1g event.keyCode=9;
ZE6W"pbjU </script>
g"X!&$& [LKzH!
onkeydown="if(event.keyCode==13) event.keyCode=9"
gq&jNj7V &nwk]+,0W# 14.DataGrid超级连接列
6G>loNM^ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
I\$?'q> k$w#:Sx 15.DataGrid行随鼠标变色
vk|xYDD private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
;% l0Ml> {
(Cbm*VL if (e.Item.ItemType!=ListItemType.Header)
_/h<4G6A {
a} :2lL% e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
c^}DBvG, e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
UZ7ukn- }
CWS]821; }
(bGk=q=M #c`/ f6z 16.模板列
L?b;TjLe <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
.N Z <ITEMTEMPLATE>
GBGna3 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
r5PZ=+F </ITEMTEMPLATE>
*~8g:;u </ASP:TEMPLATECOLUMN>
Kd7 Lpw1u] >$;,1N $bd <ASP:TEMPLATECOLUMN headertext="选中">
PS` F <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
\kC'y9k <ITEMTEMPLATE>
iq3TP5%i <ASP:CHECKBOX id="chkExport" runat="server" />
\qB.>f"%p| </ITEMTEMPLATE>
+pbP;zu <EDITITEMTEMPLATE>
GT-ONwVDq <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
B8?j"AF </EDITITEMTEMPLATE>
~f?brQ? </ASP:TEMPLATECOLUMN>
dIk9C|-. FdS'0#$ 后台代码
jluv}*If protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
#e&LyYx4 {
QTjnXg?Ri //改变列的选定,实现全选或全不选。
X-cP'" CheckBox chkExport ;
`/o| 1vv@_ if( CheckAll.Checked)
?fNUmk^A< {
G-Zn-I foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
TZa LB}4 {
t7,** $ST chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
!s[gv1 chkExport.Checked = true;
H.)J?3 }
>\!k~Zi }
]t_ Wl1*| else
vW5>{ {
K,H xe;- foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
,gIeQ!+vy {
OwLJS5r@<- chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
P&AaD!Qn chkExport.Checked = false;
])vqXjN6" }
8hZc#b; }
,A>cL#Oe }
yUg'^SEbLk /D;cm 17.数字格式化
CiIIlE4 :<xf'. 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
x=V3_HI/} <%#Container.DataItem("price","{0:¥#,##0.00}")%>
>*]B4Q ,-1d2y int i=123456;
&IkHP/ string s=i.ToString("###,###.00");
.Iv`B:4 s,7OoLE 18.日期格式化
)?k~E=&o