1. 打开新的窗口并传送参数:
ld8 E!t[ -&JUg
o= 传送参数:
nFU'DZ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
LeDty_ ;/w-7O: 接收参数:
&<}vs`W string a = Request.QueryString("id");
z^z_!@7v
string b = Request.QueryString("id1");
"c8
-xG
n4; 2.为按钮添加对话框
T8( \:v Button1.Attributes.Add("onclick","return confirm(’确认?’)");
5+*MqO> button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
XKD0n^L[ "]\sw"zO? 3.删除表格选定记录
ocCq$%Ka int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
2Wwzcvs@ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
#zflU99d {"T$jV:GB 4.删除表格记录警告
u~WBu| private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
\$GM4:R D {
N>kY$ *
switch(e.Item.ItemType)
{;uOc{~+ {
~9%L)nC2' case ListItemType.Item :
Y+vG]?D case ListItemType.AlternatingItem :
`@%hz%8Y case ListItemType.EditItem:
LpCJfQ TableCell myTableCell;
RCM;k;@8V myTableCell = e.Item.Cells[14];
FXMrD,qVg LinkButton myDeleteButton ;
i\~@2 myDeleteButton = (LinkButton)myTableCell.Controls[0];
c>I(6$ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
T<:mG%Is break;
*AK{GfP_ default:
.g/PWEr\I break;
r<< ]41 }
HRQ3v`P. fXNl27c- }
%gBulvg P){b"`f 5.点击表格行链接另一页
tqok.h private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
d\eTyN'rA {
:$k]; //点击表格打开
95cIdF 6m if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
tW$Di*h e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
4~8!3JH39 }
$TU:iv1Fm MS Qz,nn 双击表格连接到另一页
4Nylc.2mi dZ6\2ok+ 在itemDataBind事件中
O@9<7@h+Nl if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
@wVq%GG} {
)By#({O string OrderItemID =e.item.cells[1].Text;
r<)>k.]
! ...
,F;<Y9] e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
i>elK<R4 }
BYuoeN! {7F?30: ] 双击表格打开新一页
gdj,e ^ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
;\mTm;]G {
7Be\^% string OrderItemID =e.item.cells[1].Text;
qI=j>x ...
"aT"o e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
U"T>L }
506AvD =NNA7E7c ★特别注意:【?id=】 处不能为 【?id =】
9coN >y 6.表格超连接列传递参数
R?Ys%~5 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
6+.8nx:9X <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
y+aL5$x6 w~a_FGYX 7.表格点击改变颜色
Bk
yW if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
IKs2.sj"o {
T GuvyY e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
FfSKE this.style.color=’buttontext’;this.style.cursor=’default’;");
L"x9O'U }
TBU.%3dEyI uP.[,V0@^ 写在DataGrid的_ItemDataBound里
HYcwtw6 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
9zKbzT] {
K0 6 E: e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
UmNh0nS this.style.color=’buttontext’;this.style.cursor=’default’;");
g[D`. e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
}"\jB }
u^X,ASkQ a?
<Ar#)j eb*w$|y6" 8.关于日期格式
n38l!m(. o|njgmF;\ 日期格式设定
|+h8g@;Z DataFormatString="{0:yyyy-MM-dd}"
_ry7[/) &60#y4 我觉得应该在itembound事件中
.>^iU} e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
/4{.J=R} -;s-*$I 9.获取错误信息并到指定页面
^2<nn op R![)B97^ 不要使用Response.Redirect,而应该使用Server.Transfer
{)y8Y9G F#>^S9Gml e.g
6v(;dolBIw // in global.asax
=JDa[_lpN protected void Application_Error(Object sender, EventArgs e) {
O8<@+xlX if (Server.GetLastError() is HttpUnhandledException)
!fT3mI6u\ Server.Transfer("MyErrorPage.aspx");
_usi~m
1k39KO@ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
]/TqPOi: }
,]cb3nP |$QL>{81 Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
r4wnfy _VFL}<i 10.清空Cookie
Z#_ +yw Cookie.Expires=[DateTime];
(cpaMn@)g Response.Cookies("UserName").Expires = 0
cuUlr Q"D%xY 11.自定义异常处理
M].D27 //自定义异常处理类
?]Z EK8c using System;
bA*T1Db,t> using System.Diagnostics;
O ]Stf7]%; QVJvuiUh namespace MyAppException
H'2Un(#Al {
<f/wWu} /// <summary>
n%%u0a% /// 从系统异常类ApplicationException继承的应用程序异常处理类。
FZJyqqA$_ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
38 HnW /// </summary>
qE)G;Y<,1 public class AppException:System.ApplicationException
<CM}g4Y {
1Zi(5S) public AppException()
^[u*m%UB {
FK!UUy; if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
)WR*8659e }
dq
U.2~9 *Jm U",X public AppException(string message)
<Q%:c4N {
?[~)D}] j LogEvent(message);
x}*Y =Xh }
vo3[)BDbT W*D].| public AppException(string message,Exception innerException)
ypA)G /; {
(g
9G!I LogEvent(message);
/&Vgo~.J if (innerException != null)
a"|\n_ {
u*C"d1v= LogEvent(innerException.Message);
C~([aH@-I }
VjhwafYC }
*d/,Y-tl |=U(8t //日志记录类
/@~&zx&_ using System;
y+D"LeCAad using System.Configuration;
j6.'7f5M<H using System.Diagnostics;
PdNxuy using System.IO;
$v*0\O using System.Text;
YTo^Q& using System.Threading;
;rJ Zd]2>h namespace MyEventLog
OcLFVD= {
_Sxp|{H0 /// <summary>
},'Ij;
%%Q /// 事件日志记录类,提供事件日志记录支持
sxBRg= /// <remarks>
8OW504AD /// 定义了4个日志记录方法 (error, warning, info, trace)
h1uD >heGl /// </remarks>
c$w} h[ /// </summary>
q7'[II; public class ApplicationLog
0Fi&7% {
D_MNF=7 /// <summary>
ok+-#~VTn /// 将错误信息记录到Win2000/NT事件日志中
avI /// <param name="message">需要记录的文本信息</param>
@N0(%o& /// </summary>
{x8UL7{ public static void WriteError(String message)
$}/Q%r {
%hqhi@q# WriteLog(TraceLevel.Error, message);
;zl/ }
c6NCy s ie+746tFW /// <summary>
hm5A@Z /// 将警告信息记录到Win2000/NT事件日志中
I$7TnMug /// <param name="message">需要记录的文本信息</param>
=*u:@T=d5 /// </summary>
RZ:i60 public static void WriteWarning(String message)
9+sOSz~
P {
ErDt~FH WriteLog(TraceLevel.Warning, message);
m#oZu { }
}nW) + i%R2#F7I /// <summary>
bC mhlSNi /// 将提示信息记录到Win2000/NT事件日志中
.C2.j[> /// <param name="message">需要记录的文本信息</param>
#(`@D7S" /// </summary>
jSj
(ZU6 public static void WriteInfo(String message)
; 7]Q'N {
#VwA?$4g` WriteLog(TraceLevel.Info, message);
$K,6!FyBa }
1Jx|0YmO /// <summary>
zDk^^' /// 将跟踪信息记录到Win2000/NT事件日志中
9N[vNg<n /// <param name="message">需要记录的文本信息</param>
')ErXLP_ /// </summary>
AwKxt'()^ public static void WriteTrace(String message)
_S(]/d(c {
2Q,8@2w; WriteLog(TraceLevel.Verbose, message);
S>]Jc$ }
`aS9o]t <Dr*^GX>? /// <summary>
N>fC" /// 格式化记录到事件日志的文本信息格式
V^t5
Y+7 /// <param name="ex">需要格式化的异常对象</param>
I!)gXtJA" /// <param name="catchInfo">异常信息标题字符串.</param>
U/B1/96lJ /// <retvalue>
~[i,f0O, /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
{)t6DH# /// </retvalue>
,T{(t@ /// </summary>
}[u 9vZL public static String FormatException(Exception ex, String catchInfo)
+|OkT {
GRC=G&G StringBuilder strBuilder = new StringBuilder();
nFl=D=50- if (catchInfo != String.Empty)
bl>MD8bzLE {
X,/@#pSOz strBuilder.Append(catchInfo).Append("\r\n");
,>%AEN6N2 }
UcMe("U strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
N1Y*IkW" return strBuilder.ToString();
PZ-|W }
}Kq5!XJV9C ,z)7rU` /// <summary>
/n7F]Ok'* /// 实际事件日志写入方法
d8g3hyI5\ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
_Bh-*l?K> /// <param name="messageText">要记录的文本.</param>
@ -JD`2z /// </summary>
`^s(r>2 private static void WriteLog(TraceLevel level, String messageText)
gv;=Yhw.c {
"2CiW6X[M try
F5%-6@= {
Y,? EventLogEntryType LogEntryType;
B[-%A!3
F switch (level)
%|Vo Zx ^ {
,u(g#T case TraceLevel.Error:
C^r 3r6 LogEntryType = EventLogEntryType.Error;
Tm_vo- break;
Tp<=dH%$%" case TraceLevel.Warning:
f+s'.z% LogEntryType = EventLogEntryType.Warning;
oCSf$g8q break;
QA.B.U7! case TraceLevel.Info:
P _Zf(`jJ LogEntryType = EventLogEntryType.Information;
;oC85I break;
Px=/fO G case TraceLevel.Verbose:
Yq/|zTe{ LogEntryType = EventLogEntryType.SuccessAudit;
R]/F{Xs break;
*ARro
Ndr default:
[O [N _z LogEntryType = EventLogEntryType.SuccessAudit;
iml*+t break;
`X^4~6/q }
WLNkO^zb [ne4lWaE<y EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Qkqn~> //写入事件日志
J~<:yBup} eventLog.WriteEntry(messageText, LogEntryType);
>g93Bj* fylW)W4C }
Bh2m,=`` catch {} //忽略任何异常
V}9wx%v }
5qG7LO. } //class ApplicationLog
m^T$H_*; }
|ki#MtCp #)>>f 12.Panel 横向滚动,纵向自动扩展
j@kBCzX <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
w^`n Fw"~f5O 13.回车转换成Tab
K~,,xsy,G& <script language="javascript" for="document" event="onkeydown">
giaO7Qh~ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
%F&j B event.keyCode=9;
aQFYSl </script>
$am7 xd {Fb)Z"8] onkeydown="if(event.keyCode==13) event.keyCode=9"
A7|"0*62 "t"dz' 14.DataGrid超级连接列
A2rr> DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
o{UwUMw5` eIof{# 15.DataGrid行随鼠标变色
*GRhZ~U private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
=nid #<X {
e>z7?"N if (e.Item.ItemType!=ListItemType.Header)
=/dW5qy;*+ {
\=yg@K?"AJ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Ubn5tN
MK e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
6Mk@,\1 }
C(,s_Ks }
yuI5#
VUS }E/L: 16.模板列
*[yCcqN. <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
79x^zqLb <ITEMTEMPLATE>
pd7FU~- <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
dc?Yk3(Y </ITEMTEMPLATE>
/;.M$}Z>` </ASP:TEMPLATECOLUMN>
N(1jm F >Q+EqT <ASP:TEMPLATECOLUMN headertext="选中">
P"iqP| <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
:K8T\ <ITEMTEMPLATE>
9m6w.:S <ASP:CHECKBOX id="chkExport" runat="server" />
OH)SdSBz </ITEMTEMPLATE>
x!YfZ* <EDITITEMTEMPLATE>
gWWy!H <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
},f7I^s| </EDITITEMTEMPLATE>
#d|.BxH </ASP:TEMPLATECOLUMN>
A>k+4|f Ak}l6{ .. 后台代码
k8*=1kl" protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
WHpbQQX {
'QW 0K]il //改变列的选定,实现全选或全不选。
UoKBcarm CheckBox chkExport ;
np>*O }r* if( CheckAll.Checked)
sPZa|AKHb {
Wq>j;\3b3 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
'*~{1gG ` {
$x2<D : chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
f O(.I chkExport.Checked = true;
foJ|Q\Z,T }
K1+,y1c }
9X*q^u else
_D+7w'8h {
z+\>e~U6J} foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
W&p-Z"=) {
6U""TR! chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
iu1iO;q chkExport.Checked = false;
1zp,Suv }
j`tUx#
h }
n1;V2k{uV }
om/gk4S2 rB7(&(n>^ 17.数字格式化
GdP9Uj)n- )O+9v}2 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
iL\\JuY <%#Container.DataItem("price","{0:¥#,##0.00}")%>
,Y5+UzE@ Z'fy9 int i=123456;
IM@Qe|5 string s=i.ToString("###,###.00");
Cy2X>Tl"<E VtmUK$k}I 18.日期格式化
ca`=dwe> woR)E0'qx 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
dZYS5_wr P$oa6`%l 显示为: 2004-8-11 19:44:28
sy#Gb#=# |Y99s)2&N 我只想要:2004-8-11 】
UU !I@ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
[NFAdE [AGm%o=) 应该如何改?
);*GOLka =o-qu^T^u 【格式化日期】
(;M"'.C 5QT9 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
-^Lj~O %Wu8RG} 【日期的验证表达式】
nDo|^{!L` 9o18VJR A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
.Q#Eb %% ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
duqu}*Jw (sl~n_<ds8 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
aL`pvsnF ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
61KJ(
rSX3 4+~+`3;~v 【大小写转换】
[_~U<
HttpUtility.HtmlEncode(string);
8[Qw8z5- HttpUtility.HtmlDecode(string)
A<Na,EC {jl4` 19.如何设定全局变量
M aEh8* *oPSkEA{ Global.asax中
*?8Q:@: o+vf Application_Start()事件中
-g>27EI5 J2R<'( 添加Application[属性名] = xxx;
"- Ns1A8 h>n;A>k@N 就是你的全局变量
U8c0C/ UxW>hbzr&V 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
V*AG0@&! uaGg8 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
JrQN-e! g7H;d 【ASPNETMENU】点击菜单项弹出新窗口
^NCH)zK]v qle\c[UM5 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
mI.*b(Irp <?xml version="1.0" encoding="GB2312"?>
'5Y8 rv< <MenuData ImagesBaseURL="images/">
EmH{G <MenuGroup>
$""[(
d?0 <MenuItem Label="内参信息" URL="Infomation.aspx" >
N7E[wOP <MenuGroup ID="BBC">
z
XvWo6 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
1{~9:U Q <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
ve.4""\a ......
hsl8@=_ B zso.?`85 最好将你的aspnetmenu升级到1.2版
Mz06cw& IlE!
zRA 21.读取DataGrid控件TextBox值
X23TS` foreach(DataGrid dgi in yourDataGrid.Items)
$HH(8NoL {
E u@TCw8@ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
C*KRu`t tb.Text....
N(
/PJJ~ }
mr/^lnO c)lK{DC 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
o`#;[
:+;F" _ 〖思归〗
GJW1|Fk <asp:TemplateColumn HeaderText="数量">
fb#Ob0H <ItemTemplate>
~MXPiZG? <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
n,0}K+} onkeyup="javascript:DoCal()"
s=6w-'; V />
#v v
k7 9]S}m[8k <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
eag$i.^aS </ItemTemplate>
}FFW,x </asp:TemplateColumn>
YY.;J3C sQ`8L+oY <asp:TemplateColumn HeaderText="单价">
_h.[I8xgYG <ItemTemplate>
}vm17`Gfy <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
*m|]c4 onkeyup="javascript:DoCal()"
PM_q"}- />
7f`jl/ ^&,{ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
#-kyZ un\"1RdO </ItemTemplate>
a|fyo#L </asp:TemplateColumn>
+)V6"XY-( KcSvf;sx <asp:TemplateColumn HeaderText="金额">
x^SE>dy ?z <ItemTemplate>
(C. 1'<] <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
XL"e<P;t </ItemTemplate>
f[%iRfUFw </asp:TemplateColumn><script language="javascript">
-nU_eDy function DoCal()
#}A!Bk {
W58\V var e = event.srcElement;
+C+3DwN var row = e.parentNode.parentNode;
zKI(yC var txts = row.all.tags("INPUT");
!Hgq7vZG if (!txts.length || txts.length < 3)
)\s:.<?EQ return;
5 :AAqMa d2 d^XMe! var q = txts[txts.length-3].value;
2
OGg`1XX var p = txts[txts.length-2].value;
LxG :?=O. Pl 5+Oo if (isNaN(q) || isNaN(p))
1ra}^H} return;
.&L#%C jCy2bE q = parseInt(q);
NW~n+uk5v p = parseFloat(p);
6)H70VPJ m>a6,#I txts[txts.length-1].value = (q * p).toFixed(2);
R(hqBa/V }
c !5OK4+Z </script>
kWr*+3Xq 4}l,|7_&I 2o{Fp7l V&qXsyg G*n5`N@>7 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
/TpM#hkq/2 page_load
fOrqY,P' page.smartNavigation=true
jd~r~.y 8)sqj= 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
{U&Mo97rzX private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
-
5A"TNU {
agt7b@-5= for(int i=0;i<e.Item.Cells.Count-1;i++)
F!.@1Fi1 if(e.Item.ItemType==ListItemType.EditType)
_a c_8m {
Z\NC+{7k] e.Item.Cells.Attributes.Add("Width", "80px")
T 0Y=gn }
;g?5V }
d<!bE( ^@jOS{f l 26.对话框
haB$W 4x private static string ScriptBegin = "<script language=\"JavaScript\">";
gpO@xk$ private static string ScriptEnd = "</script>";
jLcW;7OAC -6Cxz./#yS public static void ConfirmMessageBox(string PageTarget,string Content)
I'J=I{p* {
}1'C!]j string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
'0w'||#1 Pbz-I3+66 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
g_.BJ>Uv 3wa }p^ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
Qx$Yj ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
AnI ENJ //Response.Write(strScript);
d(R3![: }
Z+Z`J;
, 2<U5d` 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
2Xgn[oI{ j2tw`*S+ 1.1 取当前年月日时分秒
c1e7h l currentTime=System.DateTime.Now;
oDA1#-
aS:17+! 1.2 取当前年
]vhh* int 年= DateTime.Now.Year;
v-&^G3 KJJ8P`Kx 1.3 取当前月
=3""D{l int 月= DateTime.Now.Month;
kXv
-B-wOj 8v c4J5 1.4 取当前日
${mHbqN int 日= DateTime.Now.Day;
;nSaZ$`5 Ewu 7tq Z 1.5 取当前时
fs7JA=?: int 时= DateTime.Now.Hour;
8V^gOUF. sR'rY[^/| 1.6 取当前分
]r6,^" int 分= DateTime.Now.Minute;
T?NwSxGo vpTS>!i 1.7 取当前秒
pOGVD int 秒= DateTime.Now.Second;
v!K%\h2A 0t6s20*q 1.8 取当前毫秒
S\s1}`pNm int 毫秒= DateTime.Now.Millisecond;
My
Af~&Y+ k
h#|`E#, 28.自定义分页代码:
rsy'ZVLUj Cm(Hu 先定义变量 :
!#g`R?:g public static int pageCount; //总页面数
s%;18V:pi public static int curPageIndex=1; //当前页面
Y Q3%vH5#y :n{rVn}G 下一页:
J4xt!RW! if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
J(g!>Sp!p {
k7f[aM 5] DataGrid1.CurrentPageIndex += 1;
'xvV;bi curPageIndex+=1;
W)$;T%u }
dV.)+X7< p"JITH:G bind(); // DataGrid1数据绑定函数
E+UOuf*( R~[
u|EC} 上一页:
fh:=ja?bM3 if(DataGrid1.CurrentPageIndex >0)
Cf2rRH {
kVe}_[{m DataGrid1.CurrentPageIndex += 1;
R qOEQ*k curPageIndex-=1;
M\>y&'J- }
82efqzT l?Bv9k.^? bind(); // DataGrid1数据绑定函数
pcoJ\&&W 2m/1:5 直接页面跳转:
x.>z2. int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
~u/Enl7\- at
]Lz_\ if(a<DataGrid1.PageCount)
E':y3T@." {
=HYMX"s this.DataGrid1.CurrentPageIndex=a;
u.1u/o1" }
]e7D"" m 9.QGX\] bind();
ZsNUT4 'hg, W] 29.DataGrid使用:
-QI1>7sl W(a=ev2sa 添加删除确认:
f*bs{H'5 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
T1\.~]-msb {
NrhU70y foreach(DataGridItem di in this.DataGrid1.Items)
c3g\*)Jz"F {
8.'%wOU@A if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
Kw"7M~ {
M,3sK!`> ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
'HH[[9Q }
=Pd3SC})6V }
f*aYS }
`G@]\)-! 5O]ph[7 样式交替:
G\=7d%T+ ListItemType itemType = e.Item.ItemType;
,4)zn6tC !J3g, p* if (itemType == ListItemType.Item )
!QSL8v@c {
"2o)1G e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
")i4w{_y e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
|36d<b Io }
F
MHpa else if( itemType == ListItemType.AlternatingItem)
K.JKE"j)d {
&Plc e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
4pduzO'I e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
DrC4oxS 1 }
9V9K3xWn _RST[B.u6 添加一个编号列:
zL+jlUkE
DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
Gh>Rt=Qu% DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
~Yb5FYE d3St Z~&r! for(int i=0;i<dt.Rows.Count;i++)
`!K(P- yB? {
Xt_8=Q dt.Rows["number"]=(i+1).ToString();
kL*
DU` }
<V5(5gx L 1H!o!* DataGrid1.DataSource=dt;
g~rZ= DataGrid1.DataBind();
:54ik,l LkK%DY DataGrid1中添加一个CheckBox,页面中添加一个全选框
O@ F0UM`! private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
N>/!e787OU {
; {iX_% foreach(DataGridItem thisitem in DataGrid1.Items)
x&@. [FJhO {
zgI!S6q ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
'-N `u$3Y }
N^*%{[<5 }
7;2j^qPr <v>^#/.0 将当前页面中DataGrid1显示的数据全部删除
LPc)-t|p" foreach(DataGridItem thisitem in DataGrid1.Items)
@!"w.@Y {
{P&{+`sov if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
@@-n/9>vs {
SIYBMe string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
V|gW%Z,j Del (strloginid); //删除函数
,.A@U*j }
%JF^@\E!| }
`*g(_EZsS <2"' R(4", 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
X ^8@T WK)hj{k 在Application_Start中添加以下代码:
)CJXkzOX Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
v[{g"C AppSettings["ConnStr"].ToString();
B52n'. $P&{DOiKS 31. 变量.ToString()
' ^E7T'v% #s>AiD 字符型转换 转为字符串
I!eu|_cF 12345.ToString("n"); //生成 12,345.00
zisf8x7^W 12345.ToString("C"); //生成 ¥12,345.00
T$rhz)_q 12345.ToString("e"); //生成 1.234500e+004
6
<XQ'tM]N 12345.ToString("f4"); //生成 12345.0000
js;p7wi 12345.ToString("x"); //生成 3039 (16进制)
Q]$gw,H"6 12345.ToString("p"); //生成 1,234,500.00%
<+Eu.K& S52'!WTq 32、变量.Substring(参数1,参数2);
Z.'j7(tu D+m#_'ocL 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
7+
+Fak G5*"P!@6 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
2 tD{c^
9< <SCRIPT language="javascript">
%hDx UZ#0 <!--
!iv6k~.e'2 function gook(pws)
/JsA[}.6 {
}uP`=T!"8 frm.submit();
YYNh|
2 }
f euATL] //-->
:m.6a4vx &3gC&b^i </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
_D+pJ{@W <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
Z9wKjxu+ <tr>
aa2 vk)~ <td>
x{DTVa
6y2 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
s>J\h <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
|\.:h":!0~ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
%_Q+@9 #`]`gNB0Yg <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
hgg8r#4q <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
=/5^/vwgY j(~e{HZ </td>
!$u:[T_8 cMs8D </tr>
'p FK+j ~=GwNo_ </form>
RGgePeaw 3</W}]$)p 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
:6gRoMb] 7Pe<0K)s( 下面是获取用户输入的登陆信息的代码:
_C@A>]GT string name;
&|-jU+r}B name=Request.QueryString["EmailName"];
9dVHh?E E3LEeXcLS try
ARUzEo
gcf {
63E)RR_Lh int a=name.IndexOf("@",0,name.Length);
%i6/=
'u f_user.Value=name.Substring(0,a);
R
X N0v@V f_domain.Value=name.Substring(a+1,name.Length-(a+1));
WA6reZ f_pass.Value=Request.QueryString["Psw"];
xX?9e3( }
G%A!yV A^c
( catch
HTLS$o;Q {
2T?8{yO7 Script.Alert("错误的邮箱!");
gy1R.SN Server.Transfer("index.aspx");
b_&:tE--] }