1. 打开新的窗口并传送参数:
q3NS?t! nZ\,ZqV 传送参数:
fwsq: response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
&p;};n 7=QV ^G 接收参数:
}lpcbm string a = Request.QueryString("id");
#Z$6>
Xt string b = Request.QueryString("id1");
:WA o{|& _&(ij(H 2.为按钮添加对话框
sWavxh8A Button1.Attributes.Add("onclick","return confirm(’确认?’)");
oSa FmP button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
w,}}mC)\* V'K$:9^x[8 3.删除表格选定记录
o=`9JKB~ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
/0o 2 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
B. P64"w Qgx~'9 4.删除表格记录警告
,s)~Y
p?< private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
@{CpC {
t91CxZQ^s switch(e.Item.ItemType)
p\-.DRwT` {
TS[Z<m case ListItemType.Item :
}?fa+FQGp case ListItemType.AlternatingItem :
~ml\| case ListItemType.EditItem:
*e>:K$r TableCell myTableCell;
_r8AO> myTableCell = e.Item.Cells[14];
CIaabn
LinkButton myDeleteButton ;
.<NXk"\!y myDeleteButton = (LinkButton)myTableCell.Controls[0];
=oh6;Ojt myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Y4714 break;
u-K5 default:
F_r eBPx break;
\!^o<$s.G }
?x[>g!r GecXM Aa:2 }
>{??/fBd- nb|MHt PX 5.点击表格行链接另一页
\) #3S $L~ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
y]+A7| {
e=R}
4` //点击表格打开
5;Z~+$1 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
nSC>x:jY5/ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
c"$_V[m }
w:N2
xI POG5x 双击表格连接到另一页
PaZYs~EO
>@%!r 在itemDataBind事件中
z7_./ksQ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
<@=NDUI3*, {
NAU<?q<) string OrderItemID =e.item.cells[1].Text;
onlyvH4 ...
dkLR
Q
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
\'KzSkC8 }
k$2Y)
KJ~pY<a? 双击表格打开新一页
{8MF!CG] if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
A^7!+1*K+ {
QHh#O +by# string OrderItemID =e.item.cells[1].Text;
tc',c},h~, ...
ex1ecPpN e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
%Fv)$ :b }
Kv7NCpq' >xjy
P!bca ★特别注意:【?id=】 处不能为 【?id =】
3:(`#YY 6.表格超连接列传递参数
7ou^wt+% <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
r:cUAe7# <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
V_pBM =jN]ckn 7.表格点击改变颜色
I}WJ0}R if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
uE$o4X {
2$91+N*w9 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
&g!/@*[Nhh this.style.color=’buttontext’;this.style.cursor=’default’;");
SMyg=B\x?7 }
]@>|y2 SD&[K
8-i2 写在DataGrid的_ItemDataBound里
-ZB"Yg$l if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
ht|r+v- {
NP8TF*5V e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
_+En%p.m this.style.color=’buttontext’;this.style.cursor=’default’;");
^XM;D/Gp~ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
D6u>[Z[T }
IoA;q) I,eyL$x U6Ak" 8.关于日期格式
pA'A<|)K0 <B`V 日期格式设定
hgK=fHJk DataFormatString="{0:yyyy-MM-dd}"
Ub,unU lNb\^b 我觉得应该在itembound事件中
3o>t~Sfi e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
^ne8~
;Q S2)S/ nf 9.获取错误信息并到指定页面
}U9jsm n lW&(cH 不要使用Response.Redirect,而应该使用Server.Transfer
u*{ _WL[( arZIe+KW e.g
Be+:-t) // in global.asax
^v-'=1ub? protected void Application_Error(Object sender, EventArgs e) {
TXcKuo= if (Server.GetLastError() is HttpUnhandledException)
YW<2:1A| Server.Transfer("MyErrorPage.aspx");
WFP\;(YV lG9ARRy(= //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
)*ckJK }
DOe KW
Z<W6Avr 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
+`8)U 3u0 >nQyF 10.清空Cookie
mx~sxYa Cookie.Expires=[DateTime];
k5D'RD Response.Cookies("UserName").Expires = 0
KU,w9<~i( I?>T"nV +' 11.自定义异常处理
Tm\[q //自定义异常处理类
@88i/ Z_ using System;
Cg pT(E\E using System.Diagnostics;
I!gj; a?R ,<b|@1\k namespace MyAppException
~uadivli {
acQNpT /// <summary>
\_nmfTr!K /// 从系统异常类ApplicationException继承的应用程序异常处理类。
DWQQ615i /// 自动将异常内容记录到Windows NT/2000的应用程序日志
aG_ON0g /// </summary>
JWHt|zBg public class AppException:System.ApplicationException
N+qLxk {
PMs_K"-K public AppException()
?3TV:fx"X {
D|j\ nQ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
'%C.([ }
^alZ\!B8 3]n@c?lw public AppException(string message)
orH0M!OtS! {
K#hY bDm LogEvent(message);
D1 ~x }
v9m;vWp jUvA<r public AppException(string message,Exception innerException)
,, %:vK+V {
T% 13 ' LogEvent(message);
e>9Z:vY if (innerException != null)
7'i#!5 {
wZ8 MhE LogEvent(innerException.Message);
Du:p!nO }
8KwCwv }
"C.7;Rvkp> UXPegK! //日志记录类
igBrmaY' using System;
?7MwTi8{F using System.Configuration;
ITIj=!F* using System.Diagnostics;
:r&iMb:Ra using System.IO;
`mzb(bE using System.Text;
il12T`a using System.Threading;
QBoFpxh= 7R,qDp S namespace MyEventLog
vt.P*Z5 {
thuRNYv< /// <summary>
qe$33f* /// 事件日志记录类,提供事件日志记录支持
`FZF2.N /// <remarks>
~wOTjz /// 定义了4个日志记录方法 (error, warning, info, trace)
+3;Ody"59 /// </remarks>
l-}KmZ] /// </summary>
d ;^ public class ApplicationLog
TnNWO+kg {
ZqQ*}l5 /// <summary>
GRT]aw /// 将错误信息记录到Win2000/NT事件日志中
@4drjT /// <param name="message">需要记录的文本信息</param>
ydQ!4 /// </summary>
Q(Gyq:L=> public static void WriteError(String message)
URA0ey` {
:"<e0wDu[ WriteLog(TraceLevel.Error, message);
;F5"}x }
{~N3D4n^ H z@h0+h /// <summary>
IkDiT63]I /// 将警告信息记录到Win2000/NT事件日志中
*KJB>W%@uM /// <param name="message">需要记录的文本信息</param>
E9+ HS /// </summary>
sWHyL(C@ public static void WriteWarning(String message)
Izn
T|l^ {
<sX VW WriteLog(TraceLevel.Warning, message);
K]/Od }
h/2/vBs rkDi+D6`q /// <summary>
l{$[}< /// 将提示信息记录到Win2000/NT事件日志中
GqLq gns /// <param name="message">需要记录的文本信息</param>
{6*#3m
Kk /// </summary>
+ZA)/ public static void WriteInfo(String message)
Nu^p {
CqFeF?xd8h WriteLog(TraceLevel.Info, message);
uSN"vpc4D }
kz B\'m,l /// <summary>
khx.yRx /// 将跟踪信息记录到Win2000/NT事件日志中
c.%.\al8oW /// <param name="message">需要记录的文本信息</param>
XF*.Jg] /// </summary>
V.6)0fKZW public static void WriteTrace(String message)
hJ*Ihwn| {
VUtXxvH WriteLog(TraceLevel.Verbose, message);
5u$ D/*
Eb }
&!L:"]=+ P4k;O?y /// <summary>
#.._c?%4/ /// 格式化记录到事件日志的文本信息格式
Y$<D9fs3 /// <param name="ex">需要格式化的异常对象</param>
pKT2^Q}-h /// <param name="catchInfo">异常信息标题字符串.</param>
y('k`>C /// <retvalue>
RWKH%C[Yd /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
FhkkWWL /// </retvalue>
3mO;JXd /// </summary>
c_.-b=zm public static String FormatException(Exception ex, String catchInfo)
9QwKakci {
mwC=o5O StringBuilder strBuilder = new StringBuilder();
''H"^oS if (catchInfo != String.Empty)
SeEw.;Xw {
$q_R?Eay strBuilder.Append(catchInfo).Append("\r\n");
%m&@o~+ }
}%TPYc strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
/<Ld'J return strBuilder.ToString();
i47j lyH }
,"\@fwy{ lv%9MW0
z /// <summary>
D`yEwpV^ /// 实际事件日志写入方法
s?rBE.g@} /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
mr:CuqJ
/// <param name="messageText">要记录的文本.</param>
y_p.Gzy(^} /// </summary>
IH9.F private static void WriteLog(TraceLevel level, String messageText)
lg$zGa? {
d0'HDVd try
<S?#@F\"S {
P7.' kX9 EventLogEntryType LogEntryType;
i-"
p)2d=# switch (level)
*\G)z|^yx {
}ns-W3B' case TraceLevel.Error:
(R!hj w~ LogEntryType = EventLogEntryType.Error;
-0C@hM,wm break;
@-&MA)SN case TraceLevel.Warning:
T-_"|-k}P% LogEntryType = EventLogEntryType.Warning;
B<?wh0 break;
3Ot~!AlR case TraceLevel.Info:
RY9V~8|M LogEntryType = EventLogEntryType.Information;
c{3wk7 break;
Jh&~ToF! case TraceLevel.Verbose:
qS|\JG LogEntryType = EventLogEntryType.SuccessAudit;
T>`74B: break;
Oz:
*LZ default:
KNLnn;l LogEntryType = EventLogEntryType.SuccessAudit;
Ztr Cv? break;
fHRMu:q }
{)8>jxQN Az;t" EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
@p 6<Lw_E //写入事件日志
kM8{Cw eventLog.WriteEntry(messageText, LogEntryType);
v\tEVhm PwB1]p= }
sEJC-$ catch {} //忽略任何异常
Gf EX> }
T .FI'wy } //class ApplicationLog
U1nw-Q+ }
"VG+1r+]4 %Dg0fL 12.Panel 横向滚动,纵向自动扩展
@Fp_^5 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
#Lv2Zoi>G 4d b(<h 13.回车转换成Tab
"ZM4F?x <script language="javascript" for="document" event="onkeydown">
E_e6^Sk5B( if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
.mLK`c6 event.keyCode=9;
f y:,_# </script>
myl+J;,] +ZM)bbB onkeydown="if(event.keyCode==13) event.keyCode=9"
Qv,"($n\ ?']5dD 14.DataGrid超级连接列
w-wV3Q6X DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
:L44]K5FL mpPdG 15.DataGrid行随鼠标变色
u_(VEfs4 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Od4E x;F {
eIRLNxt+v if (e.Item.ItemType!=ListItemType.Header)
ia\eLzj {
E;JsBH e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
+LM#n#T e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
bef_rH@` }
Oy U }
~T&<CTh l&iq5}[n& 16.模板列
s7Ub@ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
6f')6X'x <ITEMTEMPLATE>
"#[!/\=?: <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
MjlP+; ! </ITEMTEMPLATE>
$YN6<5R) </ASP:TEMPLATECOLUMN>
),G= s Oo #wL <ASP:TEMPLATECOLUMN headertext="选中">
'EDda <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
h$4Hw+Yxs] <ITEMTEMPLATE>
x=ul&|^7D <ASP:CHECKBOX id="chkExport" runat="server" />
qlL`jWJ </ITEMTEMPLATE>
sl]_M <EDITITEMTEMPLATE>
R"
;xvo* <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
n a9sm </EDITITEMTEMPLATE>
]gYz
4OT </ASP:TEMPLATECOLUMN>
~0beuK&p kY*rb_2j 后台代码
L#E]
BY protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
yW$0\E6<r {
N"nd*? //改变列的选定,实现全选或全不选。
oD<kMK CheckBox chkExport ;
-FU}pz/ if( CheckAll.Checked)
Re P|UH {
X!e[GJ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
=-IbS}3 {
tjupJ*Rt chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
C:PMewn chkExport.Checked = true;
O3I8k\` }
:<}=e@/~| }
>-H{Z{VDd else
UK<Nj<-'t {
zIh['^3.n foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
0g0i4IV {
;W>k@L chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
0q&<bV:D chkExport.Checked = false;
F(tx)V
~T3 }
-r-k_6QP }
zT!drq: x }
W[Ls|<Q {phNds% 17.数字格式化
&*+'>UEe5 `DV.+>O-1 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
O^oWG&Y;v <%#Container.DataItem("price","{0:¥#,##0.00}")%>
vQ;Ex 9I6a"PGDb int i=123456;
~`aa5;Ab_ string s=i.ToString("###,###.00");
.Y&)4+ckL :Zlwp6 18.日期格式化
;M)QwF1 z6*X%6,8 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
r"P|dlV- KET2Ws[w 显示为: 2004-8-11 19:44:28
r>o63Q: D)L+7N0D~ 我只想要:2004-8-11 】
DGS $Ukz&T <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
OCNQvF~ G"h'_7 应该如何改?
03q5e <
jJ 【格式化日期】
OX\A|$GS I}1NB3>^ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
wOU_*uY@6' ML|FQ 【日期的验证表达式】
02c':a=7 RZXjgddL A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
\G*0"%!U ^((\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})))?$
>CHrg]9 lhy*h_> B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
'@_d(N1jTw ^\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]))$
|olA9mp|] nAv#?1cjz 【大小写转换】
aDU<wxnSvO HttpUtility.HtmlEncode(string);
k$blEa4 HttpUtility.HtmlDecode(string)
Ff)8Q.m i<#QW'R ( 19.如何设定全局变量
h1de[q) 16=sij%A Global.asax中
Sc;BCl{=| 4K\G16'$v Application_Start()事件中
8Vr%n2M 3LOdj T
J 添加Application[属性名] = xxx;
_852H$H\ p {T*k' 就是你的全局变量
y3@H/U{ s~^5kgPA 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
;r<^a6B ZrpU <
HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
IxY|>5z QIG$z?
【ASPNETMENU】点击菜单项弹出新窗口
EJMM9(DQ7 0XE4<U 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
eA2@Nkw~) <?xml version="1.0" encoding="GB2312"?>
ofm#'7P 0 <MenuData ImagesBaseURL="images/">
CsGx@\jN <MenuGroup>
>;e~ WF>+K <MenuItem Label="内参信息" URL="Infomation.aspx" >
Kp%2k^U <MenuGroup ID="BBC">
G<65H+)M\ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
ekWD5,G <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
O%Xf!4Z ......
d;boIP`M; ~vm%6CABM 最好将你的aspnetmenu升级到1.2版
Z^3rLCa Fs9!S a7v 21.读取DataGrid控件TextBox值
?9
<:QE;I> foreach(DataGrid dgi in yourDataGrid.Items)
aTH{'mN {
d,k!qjf=r TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
T(id^ w tb.Text....
E(>=rD /+ }
P3x8UR=fS BC^ := 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?
9ijfRqI=x 6]K_m(F 〖思归〗
%O|iE M <asp:TemplateColumn HeaderText="数量">
Ag-(5: <ItemTemplate>
, qMzWa <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
fK>L!=Q onkeyup="javascript:DoCal()"
9+Np4i@ />
Cio
1E-4 R@1 xt@? <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
0q()|y?} </ItemTemplate>
^O?/yV?4c </asp:TemplateColumn>
!|S(Ms 8W*%aOi5+ <asp:TemplateColumn HeaderText="单价">
=W(Q34 <ItemTemplate>
dm\F <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
$*^7iT4q_t onkeyup="javascript:DoCal()"
G/)O@Ugp />
6AAz BX`{73sw <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
3#3n!( `V}q-Zdy </ItemTemplate>
X-bcQ@Oj </asp:TemplateColumn>
r8`ffH |mZxfI <asp:TemplateColumn HeaderText="金额">
h0g8*HY+} <ItemTemplate>
KI"#f$2& <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
l!D}3jD </ItemTemplate>
~[t[y~Hup </asp:TemplateColumn><script language="javascript">
Cjn#00 function DoCal()
h79}qU {
=9H7N]*h var e = event.srcElement;
zVViLUwG var row = e.parentNode.parentNode;
5%Y3 Kwyy var txts = row.all.tags("INPUT");
{&&z-^ if (!txts.length || txts.length < 3)
?g_3 [Fk return;
; 5*&xz 7r6.n61F
var q = txts[txts.length-3].value;
j\eI0b @* var p = txts[txts.length-2].value;
Y`~Ut:fZ HY56"LZ$(} if (isNaN(q) || isNaN(p))
zYH&i6nj return;
sA+ }TNhq )W^F2-{ q = parseInt(q);
ju8>:y8 p = parseFloat(p);
1KU!
tL )v'WWwXY> txts[txts.length-1].value = (q * p).toFixed(2);
l0|5t)jF- }
LP.]9ut </script>
.yoH/2h k$n|*kCh /J]5H 6_(&6]}66 d-oMQGOklb 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
{a =#B)6 page_load
W_JlOc!y page.smartNavigation=true
Sj3+l7S? p?02C#p 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
l [dK[4 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
wo3d#= {
eb?x9h for(int i=0;i<e.Item.Cells.Count-1;i++)
&sl0W-;0 if(e.Item.ItemType==ListItemType.EditType)
j`EXlc~ {
))qy;Q, e.Item.Cells.Attributes.Add("Width", "80px")
C"y(5U)d }
dn&s* }
#NQMy:JHD) .j ?W>F 26.对话框
!Z1@}`V&; private static string ScriptBegin = "<script language=\"JavaScript\">";
0j^Kgx private static string ScriptEnd = "</script>";
B`EJb71^Xy l5~os> public static void ConfirmMessageBox(string PageTarget,string Content)
d9k0F
OR1 {
]a>n:p]e string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
)~X2
&^orW "fb[23g%@k ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
Q-(zwAaE ~]sc^[ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
P?%s
#I: ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
F|`Hm //Response.Write(strScript);
\__i }
kpuz]a7pK :@yEQ#nFp 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Jx:Y-$ A@`}c,G 1.1 取当前年月日时分秒
L7l
FtX+b currentTime=System.DateTime.Now;
]>!K3kB }H53~@WP> 1.2 取当前年
RTYvS5G int 年= DateTime.Now.Year;
gM&{=WDG6 s9mx 1.3 取当前月
p#-Z4- ` int 月= DateTime.Now.Month;
rm7ANMB: [z:!j$K 1.4 取当前日
&0d#Y]D4` int 日= DateTime.Now.Day;
b1cy$I #`^}PuQ 1.5 取当前时
(&r.w int 时= DateTime.Now.Hour;
[+^1.N juJklSD 1.6 取当前分
{FI&^39
F$ int 分= DateTime.Now.Minute;
cTifC1Pf "69s)~ 1.7 取当前秒
=F|{#F int 秒= DateTime.Now.Second;
/'SNw?& R*,MfV 1.8 取当前毫秒
@NR>{Eg int 毫秒= DateTime.Now.Millisecond;
{ qk1_yP sJKI! 28.自定义分页代码:
=nHUs1rKn Lj({[H7D! 先定义变量 :
PI {bmZ public static int pageCount; //总页面数
}{Pp]*I<A public static int curPageIndex=1; //当前页面
-OV&Md:~ gb1V~ 下一页:
L;z?aZ7n if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
rSY!vkLE\ {
+|3@=.V DataGrid1.CurrentPageIndex += 1;
}dX*[I curPageIndex+=1;
X0HZH?V+ }
hPB9@hT$ 70d 1ReQ bind(); // DataGrid1数据绑定函数
[g|_~h :
$1?i) 上一页:
qZdQD if(DataGrid1.CurrentPageIndex >0)
M/f<A$xx_ {
#~]zhHI DataGrid1.CurrentPageIndex += 1;
'ms-*c&
curPageIndex-=1;
&ANf!*<\E }
b=C*W,Q_# As&Sq-NWf bind(); // DataGrid1数据绑定函数
,>a&"V^k fgTg7 m 直接页面跳转:
^e,. int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
RNk\.}m k t#fMd$ if(a<DataGrid1.PageCount)
u[;\y|75 {
NWESP U):w this.DataGrid1.CurrentPageIndex=a;
/8'NG6"H` }
K8|r&`X0 q>_.[+6 bind();
XSB"{H>& 6_o*y8s. 29.DataGrid使用:
5vQHhwO50k s[>,X#7 y 添加删除确认:
mthA4sz private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
n&4N[Qlv, {
C}j"Qi` foreach(DataGridItem di in this.DataGrid1.Items)
N{!i=A {
5{WE~8$ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
UW={[h{.|@ {
6Igz:eX ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
,<_A2t 2 }
4\N;2N }
!qQl@j O }
y-b%T|p9 1s&zMWC 样式交替:
u/0h$l ListItemType itemType = e.Item.ItemType;
WDYeOtc eb\K "ec" if (itemType == ListItemType.Item )
}0*@fO {
L[fiU0^o e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
9<?M8_ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
oSKXt}sh }
xj)F55e? else if( itemType == ListItemType.AlternatingItem)
HyQJXw?A: {
]jQutlg| e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
.hb:s,0mP e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
3pROf#M }
n38p !oS ub0.J#j@ 添加一个编号列:
Z clQ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
<NY^M! DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
`$IK`O u~:y\/Y6 for(int i=0;i<dt.Rows.Count;i++)
Mj3A5;# {
gs[uD5oo< dt.Rows["number"]=(i+1).ToString();
&ywPuTt }
-);Wfs tS5hv@9cWx DataGrid1.DataSource=dt;
UgSB>V<? DataGrid1.DataBind();
NNR`!Pty |A~jsz6pI DataGrid1中添加一个CheckBox,页面中添加一个全选框
1=c\Rr9] private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
x+:UN'"r {
re?,Wext\ foreach(DataGridItem thisitem in DataGrid1.Items)
pj{`';
:g {
IMFDM."s ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
4he GnMD }
dL 1tl }
HZB>{O 5lmHotj# 将当前页面中DataGrid1显示的数据全部删除
#Y`~(K47 foreach(DataGridItem thisitem in DataGrid1.Items)
7IH@oMvE {
~
'cmSiz- if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
7kLz[N6Ll {
6vo;!V6 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
}OR@~V{Gj Del (strloginid); //删除函数
G6P?2@ }
H5B:;g@ }
iC32nY? ZY55|eE 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)
P6`u._mX L#?Ek- 在Application_Start中添加以下代码:
h 8S. x) Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
4r#= * AppSettings["ConnStr"].ToString();
85$m[+md dr}`H,X"3 31. 变量.ToString()
mHTXni<! K(rWNO 字符型转换 转为字符串
[wOn|)&
& 12345.ToString("n"); //生成 12,345.00
n1t*sk/J 12345.ToString("C"); //生成 ¥12,345.00
Tbih+#? 12345.ToString("e"); //生成 1.234500e+004
CS5?Ti6 12345.ToString("f4"); //生成 12345.0000
'RR~7h 12345.ToString("x"); //生成 3039 (16进制)
'~<m~UXvD# 12345.ToString("p"); //生成 1,234,500.00%
K`WywH3- Wx}8T[A} 32、变量.Substring(参数1,参数2);
%#:{UR)E yCR?UH; 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);
WIT>!|w_ *b}HNX| 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)
;O6;.5q& <SCRIPT language="javascript">
|Nn)m <!--
RDi]2 function gook(pws)
o Q2Fjj {
`Bp.RXsd* frm.submit();
)gIKH{JYL }
^WgX Qtn //-->
Xm}/0g&7 $\BE&4g </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
S(I{NL}=$ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
hoUD;3 <tr>
i2Qz4 $z <td>
YMcD|Kb p <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
Egp/f|y <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
~{g [<Qi <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
SiRaFj4s" KIf dafRL <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
gMmaK0uhS <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
kk@fL x b~yM%*c </td>
,t?B+$E |(E
FY\ </tr>
rC% *$g $ 4N_R:B-Vu </form>
[)M%cyQ +H-6e 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。
D 6Ui! f!uw zHA`? 下面是获取用户输入的登陆信息的代码:
TH&U
j1 string name;
_Xc8Yg }` name=Request.QueryString["EmailName"];
OJuG~euy KNvZm;Q6 try
gnOt+W8 {
^A$Zw+P int a=name.IndexOf("@",0,name.Length);
5|j<`()H
: f_user.Value=name.Substring(0,a);
U0y% u f_domain.Value=name.Substring(a+1,name.Length-(a+1));
Eu d*_>| f_pass.Value=Request.QueryString["Psw"];
/wEhVR`= }
Ys!82M$g ^e _hLX\SW catch
x7&B$.>3 {
wr/"yQA] Script.Alert("错误的邮箱!");
qZtzO2Mt Server.Transfer("index.aspx");
!mJ"gg }