1. 打开新的窗口并传送参数: } *:H\GL
F[q)ME+`)
传送参数: N({0" 7
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") BbIg]E/G
`;
+UWdAR
接收参数: "?AJ(>wP
string a = Request.QueryString("id"); U{,:-R
string b = Request.QueryString("id1"); 4s@oj
ptQCqQ1_d
2.为按钮添加对话框 >,6%Y3
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); ]Uj7f4)k
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") aG&t gD{
OC6v%@xa
3.删除表格选定记录 0n/+X[%Ti
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; ;$Pjl8\
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() d~abWBgC`
)+ (GE
4.删除表格记录警告 gmUX
2x(
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) W0+m A
{ ooA%/
switch(e.Item.ItemType) pgw_F
{ ?B32,AS@
case ListItemType.Item : /{R>o0oW
case ListItemType.AlternatingItem : S*l=FRFI
case ListItemType.EditItem: d-{1>\-_
TableCell myTableCell; s&d!+-\6_
myTableCell = e.Item.Cells[14]; $y_P14
LinkButton myDeleteButton ; 2{|mL`$04<
myDeleteButton = (LinkButton)myTableCell.Controls[0]; C2;Hugm4
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); Y3.^a5o
break; Uz_OUTFM
default: G,X> f?
break; 2cQG2N2*
} *{!E`),FX
e3.q8r
} 5~FXy{ZIH
/B!Ik:c}
5.点击表格行链接另一页 Ba}<X;B }
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) gP2<L5&Z,
{ d3;Sy`.
//点击表格打开 z1m-t#v:
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) 6f*QUw~
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); Mi<l;ZP
} 06]%$-j
m)ENj6A>yP
双击表格连接到另一页 +JejnG0
G`r/ te sW
在itemDataBind事件中 XK{K FB-
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) ,1
^IFBJ
{ B8`!A
string OrderItemID =e.item.cells[1].Text; _ SJFuv/
... y=&^=Zh[
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); 7-Mm+4O9
} 8
3Tv-X
r7+Ytr
双击表格打开新一页 VmON}bb[zz
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) MlV3qM@
{ B=)tq.Q7
string OrderItemID =e.item.cells[1].Text; R4%}IT^%P
... )mu[ye"p
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); BIxjY!!"
} H;N6X y*~
y:YJv x6&4
★特别注意:【?id=】 处不能为 【?id =】 |"+UCAU
6.表格超连接列传递参数 CwaW>(`v
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ u=
Vt3%q
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> o(stXa
H~;s$!lG
7.表格点击改变颜色 (R]b'3,E$
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) n{"e8vQx
{
JN-W`2
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; -ZH6*7!
this.style.color=’buttontext’;this.style.cursor=’default’;"); dO!B=/
} 8SN4E
!@T5]( zV
写在DataGrid的_ItemDataBound里 LMaY}m>
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) MDauHtF,
{ GhR%f xe
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; AP9>_0=
this.style.color=’buttontext’;this.style.cursor=’default’;"); (5GjtFojY|
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); "+A8w
} BnU3oP
LAH.PcjPa
.R_-$/ZP
8.关于日期格式 cH`ziZ<&m1
#{g6'9PMz
日期格式设定 YhO-ecN
DataFormatString="{0:yyyy-MM-dd}" a{\<L/\
MI,kKi
我觉得应该在itembound事件中 (/jZ&4T
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) @DuSii#.S
%I#[k4,N
9.获取错误信息并到指定页面 ;3&HZq6Z (
Gj&`+!\
不要使用Response.Redirect,而应该使用Server.Transfer S\0?~l"}
'wjL7PI
e.g r:5u(2
// in global.asax s:*" b'
protected void Application_Error(Object sender, EventArgs e) { lbm ,#
if (Server.GetLastError() is HttpUnhandledException) 6Ao{Aej|
Server.Transfer("MyErrorPage.aspx"); m`xzvg
T7Qw1k
//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) LLPbZ9q
} HFW8x9Cc
v5 I}a7
Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理 P( 1Z
V5rW_X:]8
10.清空Cookie [&+5E1%L
Cookie.Expires=[DateTime]; _)MbvF
Response.Cookies("UserName").Expires = 0 vt(cC))
Qq<+QL |
11.自定义异常处理 eT@,QA(3
//自定义异常处理类 k? !'OHmBL
using System; )KKmV6>b
using System.Diagnostics; \*\ )zj*r
W+BHt{
namespace MyAppException Fjw+D1q.
{ .-}F~FES
/// <summary> lj 2OOU{
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 +K:hetv
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 'Omj-o'tn9
/// </summary> ~#|Pe1Y
public class AppException:System.ApplicationException >?(}F':
{ :,Mg1Zf
public AppException() -aQf(=
{ Lz=GA?lk[\
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); j'q Iq;y
} )<vuv9=k\%
6$
ag<
public AppException(string message) ;`
!j~
{ ;mSJZYnT
LogEvent(message); L)3JTNiB
} ^ ^k]2oG
b2XUZ5
public AppException(string message,Exception innerException) ,2]a<0m
{ Qn`Fq,uvL
LogEvent(message); en-HX3'
if (innerException != null) gJ?Vk<hp
{ M"E7=J
LogEvent(innerException.Message); #_'|
TT>p#
} G'(8/os{
} ,_I#+XiXY
i7foZ\btFc
//日志记录类 2Z7r ZjXW
using System; T*qSk!
using System.Configuration; 66|$X,
using System.Diagnostics; C]NL9Gq`
using System.IO; 17+2`@vJgM
using System.Text; \pVWYx
using System.Threading; e#s-MK-Q
ab^>_xD<
namespace MyEventLog $m;DwlM
{ b>f{o_
/// <summary> X^)vZL?
/// 事件日志记录类,提供事件日志记录支持 qORRpWyx&
/// <remarks>
Mc<O ~
/// 定义了4个日志记录方法 (error, warning, info, trace) @]@6(To
/// </remarks> A3Oe=rB
/// </summary> *#7]PA Qw
public class ApplicationLog ~JG\b?s
{ >%c7|\q[ R
/// <summary> >M^4p
/// 将错误信息记录到Win2000/NT事件日志中 .{4U]a;[
/// <param name="message">需要记录的文本信息</param> 1Y{pf]5Wx
/// </summary> |6GDIoZ
public static void WriteError(String message) HD153M,
{ Hg2Rcl
WriteLog(TraceLevel.Error, message); -p[!CI
} aW(Hn[}^
FwqaWEk
/// <summary> <L+y
6B
/// 将警告信息记录到Win2000/NT事件日志中 IRIYj(J
/// <param name="message">需要记录的文本信息</param> >6A8+=
/// </summary> 48RSuH
public static void WriteWarning(String message) zaG1
{ [xH Hm5$
WriteLog(TraceLevel.Warning, message); MhZ\]CAs9
} XY!0yAK(!
%IK[d#HO
/// <summary> Yqb3g(0
/// 将提示信息记录到Win2000/NT事件日志中 cCO2w2A[*
/// <param name="message">需要记录的文本信息</param> ;Miag'7
/// </summary> !M;><b}=5
public static void WriteInfo(String message) _7b' i6-
{ \&b1%Asyz
WriteLog(TraceLevel.Info, message); P;
9{;
} V~fPp"F
/// <summary> pd}Cg'}X
/// 将跟踪信息记录到Win2000/NT事件日志中 s_%KWkS
/// <param name="message">需要记录的文本信息</param> E@_]L<Z
/// </summary> +AYB0`X)
public static void WriteTrace(String message) bz|-x"qk
{ dT'd C
WriteLog(TraceLevel.Verbose, message); +\U#:gmw
} Z!2%{HQ=q
mY&(&'2T"
/// <summary> 0{qe1pb w
/// 格式化记录到事件日志的文本信息格式 # "!q_@b,D
/// <param name="ex">需要格式化的异常对象</param> m*~Iu<5L
/// <param name="catchInfo">异常信息标题字符串.</param> &%r<_1
/// <retvalue> ]? %*3I
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> f7?IXDQ>!
/// </retvalue>
>8.o
/// </summary> _:~I(c6
public static String FormatException(Exception ex, String catchInfo) _p;=]#+c&
{ E~`l/ W
StringBuilder strBuilder = new StringBuilder(); 8C8,Q\WV(~
if (catchInfo != String.Empty) q}cm"lO$
{ )<[)7`
strBuilder.Append(catchInfo).Append("\r\n"); ].HHTCD`c
} m aOt/-
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); T_Cj=>L
return strBuilder.ToString(); raJv$P
} SSysOeD+
S(PU"}vZy
/// <summary> 'w?}~D.y
/// 实际事件日志写入方法 ,*CPG$L
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> <5o
oML]nP
/// <param name="messageText">要记录的文本.</param> F}c}I8Ao
/// </summary> GBYwS{4
private static void WriteLog(TraceLevel level, String messageText) ):7mK03J
{
B6.9hf
try \k.W
F|~
{ vJ{aBx`VS
EventLogEntryType LogEntryType; h?P-
:E
switch (level) Y(B3M=j
{ GUC.t7!
case TraceLevel.Error: ^T*'B-`C7X
LogEntryType = EventLogEntryType.Error; 9w dl1QS
break; |vtj0,[
case TraceLevel.Warning: wyB
LogEntryType = EventLogEntryType.Warning; G_S2Q @|Q
break; 2Z+:^5
case TraceLevel.Info: <