1. 打开新的窗口并传送参数:
\dMsv1\ P$QfcJq&c* 传送参数:
j)5Vv
K\ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
i
xyjl[G 1FX-#Y`e 接收参数:
`jkn*:m string a = Request.QueryString("id");
}bTMeCgI string b = Request.QueryString("id1");
,5*4%*n\ j?(QieBH 2.为按钮添加对话框
fe$WR~ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
(TQXG^n$gY button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
&_6:TqJ f<'C<xnf 3.删除表格选定记录
3QVng^"B) int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Tk:y>P!%a string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
.PxM
#;i2 _Owz% 4.删除表格记录警告
3^a"$VW1 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
I|:j~EY {
V+q RDQ switch(e.Item.ItemType)
(
FRf.mv{ {
kShniN case ListItemType.Item :
Kna'5L5" case ListItemType.AlternatingItem :
l9h;dI{6 case ListItemType.EditItem:
=EJ"edw]%0 TableCell myTableCell;
\4[Ta,;t myTableCell = e.Item.Cells[14];
tQ67XAb LinkButton myDeleteButton ;
{mQJ6
G'ny myDeleteButton = (LinkButton)myTableCell.Controls[0];
#@fypCc myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
gr=`_k4~1 break;
XTJ>y@ default:
vX\e*
v break;
GSH{1VS_b }
wMoAvA_oS @!da1jN }
+9J>'oe'D ^b~5zhY& 5.点击表格行链接另一页
J Nz0!wi private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
df'g},_ {
L9@jmh*E //点击表格打开
6>I.*Qt \l if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
:Mk}Suf&H e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
[1U_c*;i }
DvCt^O* /WfxI>v 双击表格连接到另一页
vo-{3]u#= | |=Duk 在itemDataBind事件中
Ln|${c if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
"q.uiz+1: {
di5_5_$`o string OrderItemID =e.item.cells[1].Text;
A@OV!DJe] ...
1c!},O e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
~}*;Ko\ }
Izu.I_$4 `^kST>< 双击表格打开新一页
?r<F\rBT7* if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
%"zJsYQ! {
Biwdb string OrderItemID =e.item.cells[1].Text;
$5r,Q{;$ ...
O@rb4( e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
pg)g&ifKl }
s_LSsyqo >``GDjcJ ★特别注意:【?id=】 处不能为 【?id =】
,GIqRT4K 6.表格超连接列传递参数
YP,PJnJU8 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
t^5_;sJQ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
p/~kw:I N3<Jh 7.表格点击改变颜色
E6k&r} if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
YC<I|&" {
K7c8_g*>4= e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
_O%p{t'q< this.style.color=’buttontext’;this.style.cursor=’default’;");
DG=Ap:sl*$ }
h :R)KM 0)!zhO_} 写在DataGrid的_ItemDataBound里
,be?GAq if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
m5N&7qgp {
wlM
?gQXU[ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
w ZAXfNA this.style.color=’buttontext’;this.style.cursor=’default’;");
~0|hobk e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
2\de |' }
~*Qpv&y) m9@n nif'l/@" 8.关于日期格式
Rn_c9p
9lCKz
!E 日期格式设定
rgKn=8+a DataFormatString="{0:yyyy-MM-dd}"
KCE-6T
YPnJldVn 我觉得应该在itembound事件中
u0b-JJ7)BQ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
sEyl\GL oF R'GUQC 9.获取错误信息并到指定页面
TP::y j:3Hm0W3 不要使用Response.Redirect,而应该使用Server.Transfer
h+D=/:B YWrY{6M e.g
.`N`M9 // in global.asax
'Y\"^'OU\ protected void Application_Error(Object sender, EventArgs e) {
@98SC}}u if (Server.GetLastError() is HttpUnhandledException)
%)Dd{|c Server.Transfer("MyErrorPage.aspx");
QL18MbfqP )fc"])&8 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
0K0=Ob^(e }
{PtTPz 8 {%9%{ 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
L"%eQHEC& d/rz0L 10.清空Cookie
LW5ggU/ Cookie.Expires=[DateTime];
$]J IA| Response.Cookies("UserName").Expires = 0
Eo&qc 17)` ,D,f9 11.自定义异常处理
y|{?>3 //自定义异常处理类
`+c9m^ using System;
#`0z=w/) using System.Diagnostics;
ya g }#5roNH~Z namespace MyAppException
C/XyDbH {
B
RjKV /// <summary>
4^_Au^8R( /// 从系统异常类ApplicationException继承的应用程序异常处理类。
9?chCO(@ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
.MARF /// </summary>
_4B iF?1 public class AppException:System.ApplicationException
n@[</E( {
.BDRD~kB public AppException()
TJS1,3< {
kTc5KHJ7 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
F{~r7y;0 }
<L/vNP sNmC#, public AppException(string message)
\'tz| {
$'{`i5XB LogEvent(message);
vqz#V=J{ }
-01 1U!
0P3|1= public AppException(string message,Exception innerException)
@aN=U= {
+{i"G,3 LogEvent(message);
R${4Q1 if (innerException != null)
lY9M<8g {
QYw4kD} LogEvent(innerException.Message);
xh^ZI6L< }
edk9Qd9 }
8;f<q u|w bK$D lBZ //日志记录类
@<TZH using System;
{&u7kWD| using System.Configuration;
T^;Jz!e using System.Diagnostics;
X3L[y\ using System.IO;
}6,bq`MN using System.Text;
lWw!+[<:q1 using System.Threading;
u m2s^G C"Q=(3 namespace MyEventLog
AnE_<sPA {
NF(IF.8G /// <summary>
XAxI?y[c /// 事件日志记录类,提供事件日志记录支持
`m; "I /// <remarks>
Q[Sd /// 定义了4个日志记录方法 (error, warning, info, trace)
s5aOAyb*w /// </remarks>
(VPM>ndkw /// </summary>
K(KP3Q public class ApplicationLog
5J\|gZQF {
;@YF}%!+W /// <summary>
xgqv2s>L /// 将错误信息记录到Win2000/NT事件日志中
uQtk|)T E /// <param name="message">需要记录的文本信息</param>
<bXWkj /// </summary>
S]%U] public static void WriteError(String message)
Dw/Gha/ {
;E? hz WriteLog(TraceLevel.Error, message);
Vt)\[Tl~ }
2{]S_. zV `NWgETf^# /// <summary>
IL2Gsj)M /// 将警告信息记录到Win2000/NT事件日志中
O-!fOdX8_k /// <param name="message">需要记录的文本信息</param>
Nw>T$RzS /// </summary>
9eN2)a/ public static void WriteWarning(String message)
VO;UV$$ {
| ]!Ky[P WriteLog(TraceLevel.Warning, message);
$x_52 j\j }
LVFsd6:h uyRA`<&w /// <summary>
7}tZ?vD /// 将提示信息记录到Win2000/NT事件日志中
t6g)3F7 T /// <param name="message">需要记录的文本信息</param>
wH_n$w /// </summary>
iraRB~ public static void WriteInfo(String message)
-=t3O# {
rE{Xo:Cf WriteLog(TraceLevel.Info, message);
IL[|CB1v }
E%\7Uo- /// <summary>
w]Ko/;;^2 /// 将跟踪信息记录到Win2000/NT事件日志中
90h1e7ZcC /// <param name="message">需要记录的文本信息</param>
:_QAjU /// </summary>
['Y+z2k public static void WriteTrace(String message)
|RAQ% VXm {
:CkR4J!m3 WriteLog(TraceLevel.Verbose, message);
8K JQ( }
+65~,e YK?*7 /// <summary>
jPYe_y /// 格式化记录到事件日志的文本信息格式
O*J_+6 /// <param name="ex">需要格式化的异常对象</param>
|h=+&*(: /// <param name="catchInfo">异常信息标题字符串.</param>
hr!f:D /// <retvalue>
n@07$lY@; /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
T:g4D z*2\ /// </retvalue>
{Sr=SE /// </summary>
'K@{vB public static String FormatException(Exception ex, String catchInfo)
A?;8%00 {
[N95.aD StringBuilder strBuilder = new StringBuilder();
nvs}r%1'5 if (catchInfo != String.Empty)
VkTlPmr {
DYT -#Ht strBuilder.Append(catchInfo).Append("\r\n");
aa0`y }
iy.%kHC strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
@
Zgl> return strBuilder.ToString();
3gI[]4lRH }
Z?~d']XD e:GgA /// <summary>
Id.Z[owC`Y /// 实际事件日志写入方法
rxy{a /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
|:e|~sism /// <param name="messageText">要记录的文本.</param>
H?`)[# /// </summary>
+F7<5YW&( private static void WriteLog(TraceLevel level, String messageText)
3?*M{Y| {
s*)41\V0 try
xf^<ec {
)p!*c, EventLogEntryType LogEntryType;
\Sw+]pr~ switch (level)
yK&*,J
| {
yA?ENAM case TraceLevel.Error:
NO+
55n LogEntryType = EventLogEntryType.Error;
{n'qKurxY break;
n(Q\',C case TraceLevel.Warning:
sR>`QIi(a LogEntryType = EventLogEntryType.Warning;
m,@1LwBH break;
F[7Kw"~J case TraceLevel.Info:
r{q}f) LogEntryType = EventLogEntryType.Information;
I| W'n-4Y break;
:zj9%4A case TraceLevel.Verbose:
2-$bh LogEntryType = EventLogEntryType.SuccessAudit;
[j=,g-EOA break;
\=w'HZH#+ default:
@m/;ZQ LogEntryType = EventLogEntryType.SuccessAudit;
Tbi]oB# break;
c>R`jb@$N }
`
Y{>2UFX { p!_-sL EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
"^9[OgE: //写入事件日志
tIyuzc~U eventLog.WriteEntry(messageText, LogEntryType);
?y>Y$-v/C @3-,=x }
Y(hW(bd; catch {} //忽略任何异常
l- 1]w$
y }
SY$J+YBLM } //class ApplicationLog
r)6uX }
M q^|M~ %Le :wC 12.Panel 横向滚动,纵向自动扩展
j!lAxlOX <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
y^mWG1"O
b(}Gm@# 13.回车转换成Tab
^nHB1"OCV <script language="javascript" for="document" event="onkeydown">
XDpfpJ,z"} if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
3C rQBIj1 event.keyCode=9;
/B,:<&_- </script>
RHwaJ;:)# =mHkXHE~: onkeydown="if(event.keyCode==13) event.keyCode=9"
yHWi[7$ KMK&[E#r 14.DataGrid超级连接列
IU Y> ih DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
VG<Hw{ c3r @cuD8<\i 15.DataGrid行随鼠标变色
Ka]J^w;a private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
$5TepH0D {
$=PWT-GIR if (e.Item.ItemType!=ListItemType.Header)
2SDh0F {
~!nLbK2 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
kgbobolA e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
Y{k>*: Ax_ }
HY jMNj0 }
b&lN%+%} J Q)4}t 16.模板列
JkSdLj <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
yaH
Trh% <ITEMTEMPLATE>
-ajM5S=d* <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
IPl@ DH </ITEMTEMPLATE>
SwdC, </ASP:TEMPLATECOLUMN>
I#|ocz DR
k]{^C~ <ASP:TEMPLATECOLUMN headertext="选中">
-A/ds1=; <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
K<@[_W+ <ITEMTEMPLATE>
zVM4BT( <ASP:CHECKBOX id="chkExport" runat="server" />
le7
`uz!% </ITEMTEMPLATE>
gd337jw <EDITITEMTEMPLATE>
Sao>P[#x <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
*:=];1O </EDITITEMTEMPLATE>
UGhW0X3k </ASP:TEMPLATECOLUMN>
(;;J,*NP pOqGAD{D$ 后台代码
.MDYGWKt protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
nE/=:{~Ws {
uy/y wm/?= //改变列的选定,实现全选或全不选。
.A3DFm3 t CheckBox chkExport ;
-"W )|oC_ if( CheckAll.Checked)
:8p&#M {
BRQ"A, foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
aB6Ye/Io {
1<xcMn0et chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
KxO/] chkExport.Checked = true;
)46
0Ed }
rkxW UDl }
:{[<g]( else
s~S?D{! {
f>.4-a? foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
`WH[DQ {
F\>oxttS1 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
ZlthYuJ chkExport.Checked = false;
+$>N]1 }
G1}~.%J }
1#grB(p? }
x!'7yx hVMYB_<~ 17.数字格式化
`.{U-U\ ; D1FAz 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
5a'yXB} <%#Container.DataItem("price","{0:¥#,##0.00}")%>
hP?7zz$*j yZq?B int i=123456;
:/+>e
IE string s=i.ToString("###,###.00");
2
9q?$V( +0VG[c\8 18.日期格式化
A#<vG1 "$GK.MP5 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
5^\m`gS $fj])>=H 显示为: 2004-8-11 19:44:28
I0!j<G EPc!p> 我只想要:2004-8-11 】
fD'/#sA#' <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
@4;&hP2Z: @gNpJB]V 应该如何改?
~eDI$IO :Df)"~/mO+ 【格式化日期】
x_yF|]aI! A:/}` 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
hQXxG/yFm ;t}'X[U 【日期的验证表达式】
z1F9$^ &]w#z=5SXi A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
DL,[k
( ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
gW kjUz) |V lMmaz B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
8=:A/47=J ^\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]))$
.>P~uZiX! !~WZ_z 【大小写转换】
*2`:VFEV HttpUtility.HtmlEncode(string);
^%;" [r HttpUtility.HtmlDecode(string)
[q'eENG v{o? #Sk1 19.如何设定全局变量
g^jJ8k,7( ~]&B>q Global.asax中
dsV ~|D6: 7R: WX: Application_Start()事件中
=nzFd-P %*6RzJO6 添加Application[属性名] = xxx;
sc%dh?m7 `4LJ;KC( 就是你的全局变量
;d4y{ 6z Ay)~ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Jz0K}^Dj[ "=qv#mZ#9 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
z=qWJQ mmHJh\2v 【ASPNETMENU】点击菜单项弹出新窗口
V~85oUc\- GA\2i0ow 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
.:8[wI_f <?xml version="1.0" encoding="GB2312"?>
mH)OB?+lq <MenuData ImagesBaseURL="images/">
GMBJjP&R] <MenuGroup>
/jR8|sb <MenuItem Label="内参信息" URL="Infomation.aspx" >
Wm(:P <MenuGroup ID="BBC">
6+iK!&+= <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
!3h{lEB <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
Je^Y&a~ ......
vevf[eO- 4f!dYo4L 最好将你的aspnetmenu升级到1.2版
QWw"K$l ;u,rtEMy; 21.读取DataGrid控件TextBox值
_%%yV foreach(DataGrid dgi in yourDataGrid.Items)
FuuS"G,S {
%*jGim~s TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
.U 39nd tb.Text....
U+} y
%3l }
;|!MI'Af ugI#ZFjJWE 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
x9%-plP \n_3Bwd~ 〖思归〗
#&V5H{ <asp:TemplateColumn HeaderText="数量">
[t{](- <ItemTemplate>
.a:Z!KF <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
VD/&%O8n onkeyup="javascript:DoCal()"
Lyr2(^#: />
G?<pBMy LJWTSf"f? <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Aq"PG}Ic </ItemTemplate>
yX'IZk#_L </asp:TemplateColumn>
KaW~ERx5 Rboof`pVt <asp:TemplateColumn HeaderText="单价">
$T),DUYO <ItemTemplate>
p.C1 nh <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
cz#_<8'N onkeyup="javascript:DoCal()"
Fj^AWv^/ />
333u] &dRjqn^&X <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
=&2$/YX0D zmb@*/fK </ItemTemplate>
p![&8i@ym </asp:TemplateColumn>
D#jX6 3u_oRs <asp:TemplateColumn HeaderText="金额">
b@6:1x <ItemTemplate>
Fc'[+L--Q <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
\5hw9T&[B </ItemTemplate>
fL Nag~
</asp:TemplateColumn><script language="javascript">
,eXFN?CB function DoCal()
(@q3^)I4 {
)[jy[[K( var e = event.srcElement;
g/#~N~& var row = e.parentNode.parentNode;
YBvd
q1 var txts = row.all.tags("INPUT");
o@3B(j;J` if (!txts.length || txts.length < 3)
bnr|Y!T}Bi return;
s@~/x5jwCs hJ[UB var q = txts[txts.length-3].value;
N@()F&e var p = txts[txts.length-2].value;
o,FUfO}F G3dhM#! if (isNaN(q) || isNaN(p))
mgVML&^ return;
?E7=:h(@t u!Bk,}CE` q = parseInt(q);
&$#99\/ p = parseFloat(p);
.S!-e$EJ %ek"!A txts[txts.length-1].value = (q * p).toFixed(2);
TsD;Kl1 }
v459},!P </script>
Q]#Z9 H 76u{!\Jo/{ X$V|+lTk -k{Jp/-D L\L"mc|O 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。
7|Dn+= page_load
}9CrFTbx; page.smartNavigation=true
iyj3QLqE r6t&E%b 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 ?
nY0sb8lZJ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
hVUIBJ/5(- {
WNF9#oN|oT for(int i=0;i<e.Item.Cells.Count-1;i++)
$XGtS$ if(e.Item.ItemType==ListItemType.EditType)
0T))>.iu# {
kA^A mfba e.Item.Cells.Attributes.Add("Width", "80px")
a,n93-m(m }
j Nc<~{/ }
GNU;jSh5 s;1e0n 26.对话框
z0Xa_w= private static string ScriptBegin = "<script language=\"JavaScript\">";
m*oc)x7' private static string ScriptEnd = "</script>";
HO5d%85 a$m_D!b~_ public static void ConfirmMessageBox(string PageTarget,string Content)
9m8ee&, {
tU:FX[&?R string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
Qq3fZ= `6F+Rrn ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
Ae49n4J I4ilR$jg Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
Y Pszk5hn ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
ezZph"& //Response.Write(strScript);
Ttv'k*$cP }
4seciz0? f#P_xn&et 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
pjN:Y] *Jt8 1.1 取当前年月日时分秒
?9e] currentTime=System.DateTime.Now;
}bMWTT 2xTT)9Tq* 1.2 取当前年
?@UAL.y int 年= DateTime.Now.Year;
GMm'of# A5XR3$5P 1.3 取当前月
r1Z<:}ZwK int 月= DateTime.Now.Month;
r)b<{u=] 54q3R`y 1.4 取当前日
8=Q VN_ int 日= DateTime.Now.Day;
Y6ben7j%- wiE]z 1.5 取当前时
yd>}wHt int 时= DateTime.Now.Hour;
?/d!R]3 wL2XNdo}< 1.6 取当前分
D1Yh,P<CF\ int 分= DateTime.Now.Minute;
-t4
[oB 1TRN~#ix 1.7 取当前秒
[/ohk& int 秒= DateTime.Now.Second;
*48IF33&s SRCOs1(EK9 1.8 取当前毫秒
%&<W(|U1< int 毫秒= DateTime.Now.Millisecond;
4*M@]J " p4wr`"Zz 28.自定义分页代码:
V`k8j-*s r7I
B{}>- 先定义变量 :
A*'V+( public static int pageCount; //总页面数
(F8AL6 public static int curPageIndex=1; //当前页面
{oWsh)[x2 c_1/W{ 下一页:
mP-2s;q if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
Y {c5 {
<xn;bp[ DataGrid1.CurrentPageIndex += 1;
A1A3~9HuK curPageIndex+=1;
5f{|"LG& }
8Rxc&`_X #J$qa Ul bind(); // DataGrid1数据绑定函数
M !{'ED >5Lexj 上一页:
n
)K6i7]xk if(DataGrid1.CurrentPageIndex >0)
\!H{Ks{#R. {
B*@6xS[IL DataGrid1.CurrentPageIndex += 1;
Dg2uE8k curPageIndex-=1;
Fe$/t( }
@ls.&BHUP jO)&KEh bind(); // DataGrid1数据绑定函数
daX*}Ix 1r571B*O 直接页面跳转:
cwynd=^nC int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
%EI<@Ps8c DU{bonR` if(a<DataGrid1.PageCount)
@
yxt($G {
CBHc A'L this.DataGrid1.CurrentPageIndex=a;
2P5_zND }
_e'Y3:
{4rQ7J4Ux bind();
jJ++h1
K Z$;"8XUM 29.DataGrid使用:
F~_;o+e;X &KqVN]1+^ 添加删除确认:
+R[4\ hC0Y private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
J_xG}d {
T:!MBWYe | foreach(DataGridItem di in this.DataGrid1.Items)
509Q0 [k {
z[&s5" if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
]k+m=OR{/ {
_;e\:7<m ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
D,rZ0?R }
Z+idLbIs }
qm(1:iK,0 }
1^{`lK~2 ._<ii 2K' 样式交替:
JSW&rn ListItemType itemType = e.Item.ItemType;
=n0*{~r -(;LQDG | if (itemType == ListItemType.Item )
/EFq#+6 {
@@}`hii e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
zvf3b!} e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
[7W(NeMk }
\&q=@rJp(z else if( itemType == ListItemType.AlternatingItem)
.3wY\W8Dr- {
o3h -=t e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
kx{!b3" e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
3jPB#%F }
>oqZ !V5[ |}S1o0v{(a 添加一个编号列:
t26ij`V DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
p`>d7S>" DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
QN
G& *fhX*e8y for(int i=0;i<dt.Rows.Count;i++)
_t-7$d" {
f a5]a dt.Rows["number"]=(i+1).ToString();
cY{Nos }
Ew4g'A:H D ,M@8h, DataGrid1.DataSource=dt;
W_<4WG DataGrid1.DataBind();
iBvOJs ty-
r& DataGrid1中添加一个CheckBox,页面中添加一个全选框
y/R+$h(% private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
0.DQO; {
"ahvNx;x foreach(DataGridItem thisitem in DataGrid1.Items)
Qpu3(`d< {
+qkMQETV6 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
mJMq{6; }
-JTG?JOd] }
#IX&9 aFB} MUcNC\`z 将当前页面中DataGrid1显示的数据全部删除
7rIlTrG foreach(DataGridItem thisitem in DataGrid1.Items)
(cs~@ {
qrDcL>Hrn if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
T[2}p=<% {
)%mAZk-*;^ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
M#M?1(O/NE Del (strloginid); //删除函数
\A(5;ZnuD }
zM59UQU; }
abWl ut Sdc*rpH"( 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
Yx1 D) RvW.@#EH0 在Application_Start中添加以下代码:
~`Sle
xK|} Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
[ud|dwP" AppSettings["ConnStr"].ToString();
.,mPdVof (hf zM+2 31. 变量.ToString()
AMTslo h5-d;RKE 字符型转换 转为字符串
;|30QUYh 12345.ToString("n"); //生成 12,345.00
KO,_6>8]U 12345.ToString("C"); //生成 ¥12,345.00
treXOC9^B8 12345.ToString("e"); //生成 1.234500e+004
cyMs(21 12345.ToString("f4"); //生成 12345.0000
4VFc|g 12345.ToString("x"); //生成 3039 (16进制)
OCW+?B; 12345.ToString("p"); //生成 1,234,500.00%
Qp!J:YV o}~3JBnT 32、变量.Substring(参数1,参数2);
yWHne~! *Nlu5(z 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
O5;-Om o!Fl]3F 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
H#+xKYrp <SCRIPT language="javascript">
tpU
D0Z) <!--
.B$h2#i1 function gook(pws)
a:u}d7T3e {
]u=Ca#!' frm.submit();
j9xXKa5 }
:`J>bHE //-->
M=%!IT 0j$OE </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
jo0Pd_W8& <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
Dh`=ydI5 <tr>
kCp)!hVQ <td>
F5IZ"Itu( <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
W)-hU~^OM <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
p&5S|![\ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
JZ K7uB,X xG%*PNM0q <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
F+*Q <a4 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
XV5`QmB9 U;gp)=JNT </td>
4$Pr|gx #!d]PH746 </tr>
b-nY xd mV zu~xym </form>
@?/\c:cp DV,DB\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。
iQ{z6Qa C BlXC7_Mi 下面是获取用户输入的登陆信息的代码:
;+%Z@b% string name;
if@,vc name=Request.QueryString["EmailName"];
/q*KO\L ':sTd^V try
P)IjL&[ {
b~as64 int a=name.IndexOf("@",0,name.Length);
o2}N=|& f_user.Value=name.Substring(0,a);
sR!+d:LJ4 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
Tc_do"uU f_pass.Value=Request.QueryString["Psw"];
6ZksqdP8 }
M=+M8M`Iy 7jT}{
x catch
Omb.53+ {
SG`)PW? Script.Alert("错误的邮箱!");
#eLN1q&Z Server.Transfer("index.aspx");
OPiaG!3< }