1. 打开新的窗口并传送参数:
_2<d6@} kg$w<C@#" 传送参数:
&LhR0A response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
,{#L i -.UUa 接收参数:
H$xUOqL string a = Request.QueryString("id");
=K9- string b = Request.QueryString("id1");
S$nEflcz -qB{TA-.\ 2.为按钮添加对话框
W)u9VbPk[ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
<\?dPRw2> button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
z s[zB# I$I',x5Z 3.删除表格选定记录
#2qv"ntW int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
8fQXif\z string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
=o4McV} hDTM\>.c;s 4.删除表格记录警告
G}'\ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
nD{{/_"' {
3O?[Yhk`. switch(e.Item.ItemType)
51!#m| {
<+ckE2j case ListItemType.Item :
->&amPv case ListItemType.AlternatingItem :
'\Uy;,tu / case ListItemType.EditItem:
^FK-e;J TableCell myTableCell;
ZJ|&t myTableCell = e.Item.Cells[14];
h.aXW]]}(P LinkButton myDeleteButton ;
qD5)AdCGO myDeleteButton = (LinkButton)myTableCell.Controls[0];
VOrBNu myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
PkDh[i9Z| break;
ljk,R
G default:
ob7hNo# break;
8?$XT }
@)3orH tL
S$D- }
X%Ta?(9|.^ !F#^Peb 5.点击表格行链接另一页
eu?DSad private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
8"J6(KS {
=tqChw
//点击表格打开
Trml?zexD if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
8,?*eYNjb e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
e&F=w`F\ }
a |0f B4G S(hT3MAW 双击表格连接到另一页
-|/*S]6kK ]0myoWpi3 在itemDataBind事件中
Cg%}= if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
2M?L++i {
Ve\P ,. string OrderItemID =e.item.cells[1].Text;
_t\)W(E& ...
8fQaMn4V e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
E3h-?ugO' }
3 bll9Ey *vIC9./ 双击表格打开新一页
z]=jer if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
=}YaV@g<f {
uE,j$d string OrderItemID =e.item.cells[1].Text;
"o$)z'q ...
k3r<']S^ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Eilo;-El }
qJEtB;J' ~DUOL~E ★特别注意:【?id=】 处不能为 【?id =】
~X1<x4P\ 6.表格超连接列传递参数
^97\TmzP{ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
r[ RO"Ej" <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
U7d05y' 2B=+p83< 7.表格点击改变颜色
{#}?-X if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
S)G*+) {
<+e&E9;>6 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
-5Ln3\ O@ this.style.color=’buttontext’;this.style.cursor=’default’;");
7B#HF?,? }
c:_dW;MJ0 9l:vVp7Uk 写在DataGrid的_ItemDataBound里
NC{8[*Kx5 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
hZeF? G)L' {
4F?O5&329i e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
6yXMre)YV this.style.color=’buttontext’;this.style.cursor=’default’;");
Mg=R**s1x% e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
f&`yiy_ }
8Z(\iZ5Rgj EY'48S uZ(,7>0 8.关于日期格式
t-$Hti7Lk E#mpj~{- 日期格式设定
y'U-y"7y DataFormatString="{0:yyyy-MM-dd}"
A7sva@}W UpCkB}OhR1 我觉得应该在itembound事件中
*Au[{sR e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
;v>+D
{s K&/!3vc 9.获取错误信息并到指定页面
;q%V)4 PgwNE wG 不要使用Response.Redirect,而应该使用Server.Transfer
gL6.,4q+1 rJ fO/WK e.g
Ihg1%.^V\ // in global.asax
y_N h5 protected void Application_Error(Object sender, EventArgs e) {
*aS[^iX?s if (Server.GetLastError() is HttpUnhandledException)
_gI1@uQw
Server.Transfer("MyErrorPage.aspx");
8Hh=Sp^ /7p1y v //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
}} wZ }
2M3C
5Fu +pJ~<ug] Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
{
^
@c96& n%={!WD
10.清空Cookie
TWTh! Cookie.Expires=[DateTime];
P_%kYcX' Response.Cookies("UserName").Expires = 0
rZ^VKO`~I1 ,U#FtOec 11.自定义异常处理
%Y<3v\`_ //自定义异常处理类
"BD$-] using System;
f&L8<ASFo using System.Diagnostics;
^?o> (K 5!}fd/}Uk namespace MyAppException
[p&2k&.XYe {
l. 0|>gj`0 /// <summary>
{^*D5 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
I=}pT50~9 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
T96M=?wh! /// </summary>
&U0Y#11Cx public class AppException:System.ApplicationException
Cy'! > {
SbN.z public AppException()
<;':'sW {
LXx`Vk>ky if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
<Z\j#p: }
QsH?qI&2jp UA}N public AppException(string message)
pm k;5 d {
fD ?w!7f-1 LogEvent(message);
OysO55 i }
|g8Q.*"l[ A<<Bm M.% public AppException(string message,Exception innerException)
1n|K {
$qy ST LogEvent(message);
f,QBj{M, if (innerException != null)
+a!uS0fIJi {
co [ LogEvent(innerException.Message);
Onj)AJ9M0r }
mUjM5ceAXO }
o`}(1$a> Trt1M //日志记录类
>*S ;z+!& using System;
!=rJ~s
F/{ using System.Configuration;
x|q|> dPB using System.Diagnostics;
{BS`v5* using System.IO;
~k780 using System.Text;
%P`w"H,v3# using System.Threading;
Jyo(Etp njg\y namespace MyEventLog
M"|({+9eG {
"%]vSr /// <summary>
fVx_]5jM /// 事件日志记录类,提供事件日志记录支持
])iw|`@dJ /// <remarks>
;}E$>]*Yn /// 定义了4个日志记录方法 (error, warning, info, trace)
UJhUb)}^ /// </remarks>
'NDDj0Y /// </summary>
31=vUS
public class ApplicationLog
.[8g6:> {
u$V8fus0 /// <summary>
{;E]#=| /// 将错误信息记录到Win2000/NT事件日志中
eL{6;.C /// <param name="message">需要记录的文本信息</param>
fi;00>y /// </summary>
Tg\wBhJr| public static void WriteError(String message)
wzz>N@| {
(H-}z`sy/@ WriteLog(TraceLevel.Error, message);
u:GDM }
l"app]uVZ o%.0@W /// <summary>
$61j_;WF` /// 将警告信息记录到Win2000/NT事件日志中
Z]x)d|3; /// <param name="message">需要记录的文本信息</param>
%Tm8sQ)1 /// </summary>
#AUV&pI[ public static void WriteWarning(String message)
kH }HFl {
3KN>t)A# WriteLog(TraceLevel.Warning, message);
&NB"[Mm:@ }
G*\U'w4w|* HlC[Nu^6U /// <summary>
!@wG22iC4d /// 将提示信息记录到Win2000/NT事件日志中
Bl!R
bh\ /// <param name="message">需要记录的文本信息</param>
8xQjJ /// </summary>
Ab/KVB public static void WriteInfo(String message)
-G@:uxB {
GG$&=.$ WriteLog(TraceLevel.Info, message);
d
gRTV<vM }
*Ph@XkhU /// <summary>
<`WtP+` /// 将跟踪信息记录到Win2000/NT事件日志中
v!77dj 6I /// <param name="message">需要记录的文本信息</param>
85 <%L:EC /// </summary>
/Ym!%11` public static void WriteTrace(String message)
>P[BwL] {
:1,xs e WriteLog(TraceLevel.Verbose, message);
wS}Rl}#Oh? }
=?s0.(; 8PtX@s43\ /// <summary>
BFH=cs /// 格式化记录到事件日志的文本信息格式
tX7TP( /// <param name="ex">需要格式化的异常对象</param>
_l||69|. /// <param name="catchInfo">异常信息标题字符串.</param>
!y syb /// <retvalue>
{H[3[ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
"?SR+;Y:q /// </retvalue>
UVj1nom /// </summary>
-P[bA0N, public static String FormatException(Exception ex, String catchInfo)
"pW@[2Dkx/ {
TSHH=`cx StringBuilder strBuilder = new StringBuilder();
->Bx>Y if (catchInfo != String.Empty)
!p$k<?WX c {
F|&=\Q strBuilder.Append(catchInfo).Append("\r\n");
)!jX$bK }
<Z^qBM strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
ztHEXM. return strBuilder.ToString();
~zD*=h2C }
7R5!(g
EGIwqci: /// <summary>
@(_f}SgfE /// 实际事件日志写入方法
|?Bb{Es /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
A.@Af+ /// <param name="messageText">要记录的文本.</param>
rJqRzF{|P6 /// </summary>
8jz[;.jP", private static void WriteLog(TraceLevel level, String messageText)
F}dq~QCzw {
$mZpX:7/u8 try
CY
i{WV(: {
bf&k:.v'8 EventLogEntryType LogEntryType;
c`x[C switch (level)
ga+Z6|t {
w\2yippI case TraceLevel.Error:
qk=0ovUzg LogEntryType = EventLogEntryType.Error;
;|H(_J=6k break;
Hg%8Q@ case TraceLevel.Warning:
y_A?}'X LogEntryType = EventLogEntryType.Warning;
c3G&)gU4q break;
?2$0aq case TraceLevel.Info:
Im8c LogEntryType = EventLogEntryType.Information;
KuohUH+ break;
.,7ZDO9{ case TraceLevel.Verbose:
tpP2dg9dF LogEntryType = EventLogEntryType.SuccessAudit;
[V _?`M break;
JHIXTy__ default:
3PU'd^ LogEntryType = EventLogEntryType.SuccessAudit;
'p:L"L}Q? break;
aq<QKnU }
P|{Et=R`1 `p{,C`g,R EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
N>3X! K //写入事件日志
6A \Z221E eventLog.WriteEntry(messageText, LogEntryType);
5|Or,8r(C g7),si* }
s#2<^6 catch {} //忽略任何异常
\~ql_X;3 }
4bZ
+nQgLu } //class ApplicationLog
)}i;OLw- }
LJII7<k 5xF R7%_& 12.Panel 横向滚动,纵向自动扩展
'YUx&FcM <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
sM8 AORd k9iXVYQ.;r 13.回车转换成Tab
baL-~`(T <script language="javascript" for="document" event="onkeydown">
y/}ENUGR if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
{po f=G event.keyCode=9;
y$^.HI02jP </script>
OP}8u"\Z l5bd);Ltq onkeydown="if(event.keyCode==13) event.keyCode=9"
^vH3 -A;* ?
(f44Zgm 14.DataGrid超级连接列
b$Ch2Qz0q DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
6a\YD{D] _ dxI t.h 15.DataGrid行随鼠标变色
`GD>3- private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
WCPl}7> {
KB^i=+xr if (e.Item.ItemType!=ListItemType.Header)
|#D$9+ {
wBK%=7 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
uRu)iBd D e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
M$Of. }
CWk65tcF }
b+`mh >4lT0~V/ 16.模板列
"TgE@bC <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
|+0XO?,sZ <ITEMTEMPLATE>
>HH49cCo <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
4;hgi[ </ITEMTEMPLATE>
sXaIQhZ </ASP:TEMPLATECOLUMN>
%:
.{?FB_ Oor&1 <ASP:TEMPLATECOLUMN headertext="选中">
umo@JWr <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
wWNHZv& <ITEMTEMPLATE>
8x J]K <ASP:CHECKBOX id="chkExport" runat="server" />
Sn lKPd </ITEMTEMPLATE>
&R
"Q <EDITITEMTEMPLATE>
A+Xk=k5< <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
F]SA1ry </EDITITEMTEMPLATE>
$SmmrM </ASP:TEMPLATECOLUMN>
{,aI0bw; 7>`VZ? 后台代码
g,
%xGQ4+ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
$M T'ZM {
Ka"Z,\T
//改变列的选定,实现全选或全不选。
o?$B<Cb" CheckBox chkExport ;
&4ScwK: if( CheckAll.Checked)
QQwD)WG {
WhR j@y foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
0H-~-z8Y {
k'K&GF1B chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
d* 6 lJT chkExport.Checked = true;
lbtVQW0V;o }
{G
D<s)) }
2AAZZx +$ else
De(\<H# {
Hi 1@ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
E\(dyq/ {
-K_p?
l chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
=k1 ,jn+ chkExport.Checked = false;
p(F}[bP }
lo*)%fy }
1px8af] }
s=+,F<;x.U K;u<-?En 17.数字格式化
>*PZ&"}M \+cU} 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
x)SW1U3TVx <%#Container.DataItem("price","{0:¥#,##0.00}")%>
b$f@.L Qw{LD+r( int i=123456;
OeuM9c{ string s=i.ToString("###,###.00");
WUM&Lq
k" %U&O
\GB 18.日期格式化
{/C
\GxH+ 5xm^[o2#y 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
}T?0/N3y& R`wL%I!?f 显示为: 2004-8-11 19:44:28
6_m5%c~;+r \tj7Jy 我只想要:2004-8-11 】
"Z&-:1tP{9 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
#S/]=D hZE" 8%\q 应该如何改?
f;C*J1y p`)GO.pz 【格式化日期】
n4cM
/unU 2Qqk?;^1 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
w(QU '4~ (RR:{4I 【日期的验证表达式】
Awo H d7M (6R^/*-o A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
B>3joe} ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
UN
<s1 =rA "|= B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
G6C#M-S ^\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]))$
@O/Jy2>3H 5U&b")3IT! 【大小写转换】
oh
k.; HttpUtility.HtmlEncode(string);
!1tHg Z2\ HttpUtility.HtmlDecode(string)
}7>r, fb7Gy 19.如何设定全局变量
0UEEvD5 2F0@M|' Global.asax中
Une,Y4{u W=fw*ro Application_Start()事件中
i NX%Zk[ }Km+5'G'U 添加Application[属性名] = xxx;
cnQ;6LtFTz c/Fy1Lv\ 就是你的全局变量
l,n0=Ew jP?YV 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
wN"j:G( I%]~]a HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
>+iJ(jqq *;QIAd 【ASPNETMENU】点击菜单项弹出新窗口
?v4-<ewD ~s@PP'! 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
-a`` <?xml version="1.0" encoding="GB2312"?>
q6h'=By <MenuData ImagesBaseURL="images/">
'D ,efTq <MenuGroup>
d
NQ?8P-& <MenuItem Label="内参信息" URL="Infomation.aspx" >
kiLwN
nq <MenuGroup ID="BBC">
OOzk@j^ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
_g|zDi^ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
&vf9Gp+MK ......
Zl5cHejM ;GW[Yw>Rz 最好将你的aspnetmenu升级到1.2版
,(H`E?m1w4 .+|HJ( 21.读取DataGrid控件TextBox值
`mar-r_m foreach(DataGrid dgi in yourDataGrid.Items)
B$R"Ntp {
{E6M_qZ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
0p"l}Fu@` tb.Text....
< Y5pAStg }
^}JGWGib=+ "gD]K= 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
td*1 i3bH^WwE&k 〖思归〗
?b?6/_W~R <asp:TemplateColumn HeaderText="数量">
({XB,Rm <ItemTemplate>
h<)YZ[;x <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
PtH>I,/ onkeyup="javascript:DoCal()"
f{
;L"*L />
,$"*X-1 =Q\z*.5j. <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Rra3)i`* </ItemTemplate>
%49P<vo`? </asp:TemplateColumn>
}V20~ hi qH#?, sK ^ <asp:TemplateColumn HeaderText="单价">
F1m 1% <ItemTemplate>
$AGW8" <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
n}KF)W= onkeyup="javascript:DoCal()"
&I8Q' />
:<t%Sf cK()_RB# <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
uY{zZ4iw }BTK+Tk8 </ItemTemplate>
0;Lt </asp:TemplateColumn>
,8=`Y9# /W vF}y <asp:TemplateColumn HeaderText="金额">
m=g\@&N <ItemTemplate>
~ IPel <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
iLQFce7d|& </ItemTemplate>
L#t^:% </asp:TemplateColumn><script language="javascript">
5k%GjT function DoCal()
v[k;R {
ZGILV var e = event.srcElement;
/INjP~C var row = e.parentNode.parentNode;
]H ze var txts = row.all.tags("INPUT");
BHmmvbM#Qm if (!txts.length || txts.length < 3)
~3f`= r3/. return;
fP+RuZ T0:%,o var q = txts[txts.length-3].value;
I&2)@Zw var p = txts[txts.length-2].value;
}XOTK^YA C)x>/Qr ~ if (isNaN(q) || isNaN(p))
47S1mxur return;
EC`!&Yp+ r;>2L' q = parseInt(q);
xIOYwVC p = parseFloat(p);
*d~).z) ((& y:{?G txts[txts.length-1].value = (q * p).toFixed(2);
caG5S#8-" }
+c7e[hz </script>
Ly\ ` 8i
epG o|Q:am'H SRU}- N>zpxU { 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。
35q4](o9" page_load
)6~s;y! page.smartNavigation=true
,,FO6+4f H0!LiazA> 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 ?
c0I;8z`b private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
%S`ygc}| {
hg2a,EU\Z for(int i=0;i<e.Item.Cells.Count-1;i++)
ILN Yh3 if(e.Item.ItemType==ListItemType.EditType)
A7`+XqG {
2F}D?]A e.Item.Cells.Attributes.Add("Width", "80px")
vkR,Sn }
M%yeI{m }
?*{Vn5aX{ x=S8UKUx 26.对话框
0A,u!"4[ private static string ScriptBegin = "<script language=\"JavaScript\">";
VnjhEEM! private static string ScriptEnd = "</script>";
V4["+Y n]3Lqe; public static void ConfirmMessageBox(string PageTarget,string Content)
g-C)y
06 {
f9%M:cl string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
!t;B.[U * }s@
i ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
\!51I./Q/ iBqxz:PHN( Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
c"wk_# ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
)ajF ca@v //Response.Write(strScript);
h!~Qyb>W }
v=pkze bZ5cKQ\6 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
[=EmDP:@ w\K(kNd( 1.1 取当前年月日时分秒
pW7#&@AR currentTime=System.DateTime.Now;
TPBL|^3K r_"=DLx6 1.2 取当前年
bMA\_? int 年= DateTime.Now.Year;
3+<f7 sahXPl%;U 1.3 取当前月
Ye=c;0V(w int 月= DateTime.Now.Month;
6L/` j7XUFA 1.4 取当前日
RJ+["[k int 日= DateTime.Now.Day;
za,JCI M#u~]?hS 1.5 取当前时
0Tv0:c>8;( int 时= DateTime.Now.Hour;
ZZ? KD\S5 r|ID]}w 1.6 取当前分
}J ^+66{ int 分= DateTime.Now.Minute;
ZRy'lW >)j`Q1Qc\ 1.7 取当前秒
mNQ~9OJ1 int 秒= DateTime.Now.Second;
nb30<h 0en
Bq>vr 1.8 取当前毫秒
_xmS$z)TO int 毫秒= DateTime.Now.Millisecond;
i-YSt5iq :Z R5<Y> 28.自定义分页代码:
U
=i=E}' H
%bXx- 先定义变量 :
(i.7\$4 public static int pageCount; //总页面数
"y7IH
GJ\3 public static int curPageIndex=1; //当前页面
4!U)a `9`T,uJe 下一页:
F*4zC@; if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
NI^jQS
M] {
my}l?S[2d@ DataGrid1.CurrentPageIndex += 1;
t_"]n*zk1 curPageIndex+=1;
L;
o$vI~U, }
1$S`>M%a 2v\<MrL bind(); // DataGrid1数据绑定函数
lD-HQd s#p\ r 上一页:
/D>G4PP< if(DataGrid1.CurrentPageIndex >0)
/J5)_>R: {
]kir@NMv> DataGrid1.CurrentPageIndex += 1;
>Tp`Kri curPageIndex-=1;
2[X\*"MQ2 }
G_E \p%L>] "nA~/t= bind(); // DataGrid1数据绑定函数
8dUP_t~d#q OnND(YiX 直接页面跳转:
cna/?V int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
8#ZF<BY `gX$N1( if(a<DataGrid1.PageCount)
nrM_ay {
9>-]*7 this.DataGrid1.CurrentPageIndex=a;
ws([bS2h }
?3yrX_Qm{ vo"?a~kY7 bind();
2DXV~> Q35D7wo'} 29.DataGrid使用:
lcR1FbJ2' @=6*]:p2. 添加删除确认:
#/
HQ?3h] private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
/=[hRn@)A {
{'UK>S foreach(DataGridItem di in this.DataGrid1.Items)
hkDew0k {
S7h?tR*u if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
FT
Ytf4t {
% pQi}x ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
43s8a }
)ZMR4U$+v }
9CFh'>}$ }
:;URLl0 Zv5vYe9Ow 样式交替:
XR+ ListItemType itemType = e.Item.ItemType;
{lbNYjknS l&_PsnU if (itemType == ListItemType.Item )
]T; {
l\_81oZ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
,DD}o e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
ho%G }
4XgzNwm else if( itemType == ListItemType.AlternatingItem)
f/vsf&^O {
.c]@xoC e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
s-Qq#T e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
kLe{3>}j }
6^sH3=# i'3)5 添加一个编号列:
b6d}<b9# DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
7qLB 9r DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
M-/2{F[ S#b)RpY for(int i=0;i<dt.Rows.Count;i++)
sf Zb$T
J {
>^GAfvW dt.Rows["number"]=(i+1).ToString();
X@\ 9}*9 }
Vtv1{/@+c OjurfVw DataGrid1.DataSource=dt;
jk{m8YP)E DataGrid1.DataBind();
C#@-uo2 PM3fJhx DataGrid1中添加一个CheckBox,页面中添加一个全选框
o]aMhSol private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
jGEmf<q&u {
|F49<7XB[~ foreach(DataGridItem thisitem in DataGrid1.Items)
fS]Z`U" {
/kV5~i<1S ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
qZ%0p*P#_ }
er.;qV'Wz6 }
,!QtViA7 xm0(U0
> 将当前页面中DataGrid1显示的数据全部删除
~Z}DN*S foreach(DataGridItem thisitem in DataGrid1.Items)
V?- ]ZkI {
num2HtU&% if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
7`SrqI& {
c!a1@G string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
_Jn@+NoO Del (strloginid); //删除函数
fF^A9{{BS }
XBm ^7' }
C1x(4&h 4ah5}9{g 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)
$msf~M* vT#m 8Kg 在Application_Start中添加以下代码:
GI%9Tif Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
BFQ`Ab+ AppSettings["ConnStr"].ToString();
=%d.wH?dZ/ 9>/:c\q+ 31. 变量.ToString()
'H(khS :8U@KABH@h 字符型转换 转为字符串
2Yg\<PsN 12345.ToString("n"); //生成 12,345.00
Uy<n7*H 12345.ToString("C"); //生成 ¥12,345.00
0RHjA&r3v 12345.ToString("e"); //生成 1.234500e+004
{Z}zT1kA 12345.ToString("f4"); //生成 12345.0000
g^)) 12345.ToString("x"); //生成 3039 (16进制)
]Cp`qayct 12345.ToString("p"); //生成 1,234,500.00%
,p
V3O`z <f;Xs( 32、变量.Substring(参数1,参数2);
hw1J <Pl* J+=?taZ 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
}CvhLjo PoZxT-U 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
Hlz$@[$ <SCRIPT language="javascript">
WfYC`e7q <!--
Bkdt[qDn5P function gook(pws)
DI=?{A {
r[P+F frm.submit();
Y{<SD-ibZ$ }
v\R-G //-->
(/C
8\}Ox iZ 9ed]mf </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
1SG^X-(GM/ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
\vgM`32< <tr>
U,V+qnS <td>
Jm-bE 8b <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
7w.9PNhy <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
$ZRvvm!f <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
\Z_29L w= d?A!0;(* <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
#NWS)^&1b <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
QW2SFpE g1&q6wCg| </td>
> mEB, vvF]g., </tr>
2I{kLN1TY =gHUY&sPu8 </form>
`It3X.^} WU~L#Ih.V 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
uYXkD#{ yE|hA2G?0 下面是获取用户输入的登陆信息的代码:
`{xKU8j^ string name;
j>Cp4 name=Request.QueryString["EmailName"];
,=dc-%J a&<_M$J& try
#O!gjZ, {
jAfqC@e int a=name.IndexOf("@",0,name.Length);
`(
_N9.>B f_user.Value=name.Substring(0,a);
`W2
o~r*& f_domain.Value=name.Substring(a+1,name.Length-(a+1));
xo#K_"E f_pass.Value=Request.QueryString["Psw"];
=$uSa7t# }
F87c?Vh)K 6!v$"u|[!' catch
vAfYONU {
eDsc_5I Script.Alert("错误的邮箱!");
0+Q;a Server.Transfer("index.aspx");
URj2 evYW }