1. 打开新的窗口并传送参数:
g
^!C BaO1/zk 传送参数:
Tzt ,/e response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
[L6w1b, ^9_UUzf\ 接收参数:
c(U string a = Request.QueryString("id");
*d(SI<j string b = Request.QueryString("id1");
@v}B6j b; LuR,f"%2 2.为按钮添加对话框
$s4Wkq Button1.Attributes.Add("onclick","return confirm(’确认?’)");
_TUk(Qe button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
TgTnqR@/ zf.-I 3.删除表格选定记录
B-*E:O0y int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
ZkP{[^6d\ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
.}k(L4T|= >tG+?Y'{ 4.删除表格记录警告
uNHdpni private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
X 6lH|R {
;' nL:\ switch(e.Item.ItemType)
>sD4R}\}) {
E RdL^T> case ListItemType.Item :
'.Ym!r~wL case ListItemType.AlternatingItem :
p0{EQT`tMG case ListItemType.EditItem:
KECElK3uj TableCell myTableCell;
yMc:n"-[ myTableCell = e.Item.Cells[14];
Jz:r7w{4eB LinkButton myDeleteButton ;
LhzMAW<L4 myDeleteButton = (LinkButton)myTableCell.Controls[0];
RA],lNs myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
>r)X:K+I break;
o<l 2 r default:
3Db3xN break;
~P-*}q2J }
]DvO:tM |2`"1gt }
=s}Xy_+: 85IMdZ7I 5.点击表格行链接另一页
]~>K\i private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Ch_xyuJ {
SQWafD //点击表格打开
tfkr+
/ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
a$9A(Pte e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
3Z>YV]YbeU }
mxFn7.|r~ =q(GHg;' 双击表格连接到另一页
w%c maSgRf[g 在itemDataBind事件中
'PlaM Oy if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
4'Xgk8) {
D H^T x string OrderItemID =e.item.cells[1].Text;
J$9:jE-4 ...
u/Fj'*M e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
m-V02's }
.5> 20\b2 G",.,Px 双击表格打开新一页
K?u(1 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
+m,!e*g {
^1jk$$f string OrderItemID =e.item.cells[1].Text;
:XV}
c(+d ...
DlyMJ#a e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
DF1<JdO+ }
LS.r%:$mb K(T\9J. ★特别注意:【?id=】 处不能为 【?id =】
m@rSz 6.表格超连接列传递参数
Ep ~wWQh <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
~2uh'e3 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
x.$1<w64t Qbeeq6 7.表格点击改变颜色
zz_[S{v!# if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
?4z8)E9Ju {
5V-jMB e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
$R^AEa7 this.style.color=’buttontext’;this.style.cursor=’default’;");
0=6/yc }
nhdTTap&9 0O2n/`' 写在DataGrid的_ItemDataBound里
Nm]%
} if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
uD>z@J-v {
Az,-
Cq e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
MZ#T^Y this.style.color=’buttontext’;this.style.cursor=’default’;");
.dq
"k e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
N<JHjq }
vz`@x45K o*ANi;1]&B 6ri#Lw 8.关于日期格式
8
#oR/Nt ?\H.S9CZ^ 日期格式设定
$zkH|]
zZ DataFormatString="{0:yyyy-MM-dd}"
G+"8l!dC? (U87}}/l 我觉得应该在itembound事件中
X)uDSI~ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
q42FPq ua
8m;>R 9.获取错误信息并到指定页面
GVd48 * Jp;k+"<q 不要使用Response.Redirect,而应该使用Server.Transfer
+nZRi3yu= iRV;Fks e.g
&1)xoZ'\ // in global.asax
@?&Wm3x9 protected void Application_Error(Object sender, EventArgs e) {
EychR/s if (Server.GetLastError() is HttpUnhandledException)
*,#q'!Hq Server.Transfer("MyErrorPage.aspx");
I ftxSaP +T_ p8W+j //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
o;J;*~g }
BSXdvI1y +lp{#1q0 Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
"D> ]ES%5 ValS8V*N1 10.清空Cookie
pbB2wt Cookie.Expires=[DateTime];
&v#`t~ Response.Cookies("UserName").Expires = 0
:d'65KMi izt^Wi| 11.自定义异常处理
9NIy# //自定义异常处理类
Sa]Ek* using System;
QjukK6#W using System.Diagnostics;
mf*Nr0L;J R40W'N1%q namespace MyAppException
G8NRj9k? {
z g]Drm /// <summary>
Hbr^vYs5 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
4DM L /// 自动将异常内容记录到Windows NT/2000的应用程序日志
z
Bf;fi /// </summary>
*q"G } public class AppException:System.ApplicationException
-qn[HXq {
~%aJFs public AppException()
N+>'J23d! {
,OBQv.D3>a if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
c2b6B.4 }
_:,.yRez mrnxI#6 public AppException(string message)
+Hy4s[_| {
ATO
5 LogEvent(message);
nGZ\<- }
Z>{*ISvpq b:x7)$( public AppException(string message,Exception innerException)
}|He?[TR {
ib50LCm LogEvent(message);
<kc]L x if (innerException != null)
0_V*B[V {
u[`v&e LogEvent(innerException.Message);
iwz`
x }
@aB9%An1 }
j:?N!*r= `!kL1oUYE //日志记录类
7x+=7,BZd using System;
3W j,} using System.Configuration;
~x+Ykq0 using System.Diagnostics;
U(A4v0T using System.IO;
9 x [X< using System.Text;
LD@7(?mlU using System.Threading;
7ti< ;l`X!3 namespace MyEventLog
/Hk07:"c {
;E2kT
GT /// <summary>
{_ 6t4h} /// 事件日志记录类,提供事件日志记录支持
=dn1} /// <remarks>
(wlfMiO /// 定义了4个日志记录方法 (error, warning, info, trace)
r03I*b /// </remarks>
W8uVd zQ /// </summary>
%QE5<2k public class ApplicationLog
{3SdX {
{fElto
/// <summary>
)v-Cj_W5]" /// 将错误信息记录到Win2000/NT事件日志中
x#o?>5Qg? /// <param name="message">需要记录的文本信息</param>
x?>!UqgkY /// </summary>
P7Z<0Dt\} public static void WriteError(String message)
T:)% P6/ {
yr{5Rp05= WriteLog(TraceLevel.Error, message);
RR'(9QJ$ }
bQ=s8' 0Ts!(b]B /// <summary>
:>ZzP: QD /// 将警告信息记录到Win2000/NT事件日志中
zK /f$} /// <param name="message">需要记录的文本信息</param>
^OjvL6A/p /// </summary>
<!hpfTz* public static void WriteWarning(String message)
<dJIq"){ {
sVlZNj9i" WriteLog(TraceLevel.Warning, message);
)1BiEK`v }
>EeAPO4
$Gd5wmb! /// <summary>
q1<Fg.-r /// 将提示信息记录到Win2000/NT事件日志中
o>$|SU!a /// <param name="message">需要记录的文本信息</param>
8q{1E];:q /// </summary>
-Cml0}.O public static void WriteInfo(String message)
V[To,f {
ylT6h_z1[Y WriteLog(TraceLevel.Info, message);
I4CHfs"ar }
WkcH5[ /// <summary>
_p$"NNFN /// 将跟踪信息记录到Win2000/NT事件日志中
HcDyD0;L. /// <param name="message">需要记录的文本信息</param>
"sSjVu /// </summary>
S--/<a2 public static void WriteTrace(String message)
(,d/JnP {
JgxA^>|9; WriteLog(TraceLevel.Verbose, message);
VEr 6uvB }
j&
<tdORT d{iL?>'?^ /// <summary>
a5>)?m /// 格式化记录到事件日志的文本信息格式
}Olr /// <param name="ex">需要格式化的异常对象</param>
Qlf
9]ug) /// <param name="catchInfo">异常信息标题字符串.</param>
g8rp|MOH /// <retvalue>
Kyyih|{ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
6S2r /// </retvalue>
lJ("6aT? /// </summary>
rS=tcBO public static String FormatException(Exception ex, String catchInfo)
c-ttds {
sio)_8tp StringBuilder strBuilder = new StringBuilder();
}=xI3;7 if (catchInfo != String.Empty)
/bu'6/!` {
KuU3DTS85Z strBuilder.Append(catchInfo).Append("\r\n");
HgS<Vxmq }
65;|cmjv strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
4LJ]l:m return strBuilder.ToString();
8Yo-~,Gb }
Q*,6X*W!~ b-,]A2. /// <summary>
zZ<ns+h /// 实际事件日志写入方法
f<) Ro$ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
XX*'N+ /// <param name="messageText">要记录的文本.</param>
V^9$t/c& /// </summary>
$hyqYp"/; private static void WriteLog(TraceLevel level, String messageText)
uT'-B7N {
#:
dR^zr< try
Kp$_0 {
D9e+ EventLogEntryType LogEntryType;
Zj:a-= switch (level)
[vZfH!vLP {
0~(\lkh*!9 case TraceLevel.Error:
&NlS = LogEntryType = EventLogEntryType.Error;
wxH(&CB-{ break;
-B<O_*wOj case TraceLevel.Warning:
`WraOsoY LogEntryType = EventLogEntryType.Warning;
>cBGw'S break;
kQqBHA case TraceLevel.Info:
U)SM),bE[ LogEntryType = EventLogEntryType.Information;
*4r
s break;
z"G`o"4
V case TraceLevel.Verbose:
NvEm,E\| LogEntryType = EventLogEntryType.SuccessAudit;
r'Hy}HWuF break;
mOwWg default:
j` [#Ij LogEntryType = EventLogEntryType.SuccessAudit;
N8Rm}) break;
L*kh?PS; }
L$oia)%t- ;,Of\Efc| EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
5HWwl.D //写入事件日志
CsJ)Z%4_ eventLog.WriteEntry(messageText, LogEntryType);
-d$8WSI8 iSSc5ek4 }
e{^:/WcYB catch {} //忽略任何异常
.Z(S4wV }
stf,<W } //class ApplicationLog
N1D6D$s 0 }
8o*\W$K@ 5KL9$J9k 12.Panel 横向滚动,纵向自动扩展
c^i"}2+ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
3bT6W,J4T [0mFy)6 13.回车转换成Tab
;zfQ3$@9 <script language="javascript" for="document" event="onkeydown">
i6meY$l if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
N#<zEAB event.keyCode=9;
O;"*_Xq(` </script>
~rVKQ-+4& "N?%mCPI onkeydown="if(event.keyCode==13) event.keyCode=9"
# i`A4D d,GtH)( s 14.DataGrid超级连接列
GInZ53cQ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
*F26}q &CB.*\0 15.DataGrid行随鼠标变色
hqhu^.}] private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
1qB!RIau {
T% /xti5$! if (e.Item.ItemType!=ListItemType.Header)
>N+bU{s {
e>])m3xvn e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
WHpUjyBP e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
PK:o}IWn~x }
1q}u?7nnSG }
8o8b'tW^ xA[Wb' 16.模板列
FR@PhMUS <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
)[@YHE5g <ITEMTEMPLATE>
+d6Aw}* <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
mkj;PYa </ITEMTEMPLATE>
t%]^5<+X58 </ASP:TEMPLATECOLUMN>
a>&;K@ uQ)JC7b\ <ASP:TEMPLATECOLUMN headertext="选中">
%
K9;
qJ5 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
cu.*4zs <ITEMTEMPLATE>
4Vb}i[</ <ASP:CHECKBOX id="chkExport" runat="server" />
6b#:H~ < </ITEMTEMPLATE>
zkT`] @`J <EDITITEMTEMPLATE>
/ZIJ<#o[ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
.NzW@| </EDITITEMTEMPLATE>
;Sx'O </ASP:TEMPLATECOLUMN>
Dr8WV\4@ v -|P_O&z