1. 打开新的窗口并传送参数:
NEjPU#@c ORUWslMt 传送参数:
lCM6T;2ID response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
`V?x
xq\ vo:52tCk}m 接收参数:
]2hF!{wc string a = Request.QueryString("id");
<B|n<R<? string b = Request.QueryString("id1");
w`H.ey .=.yZ 2.为按钮添加对话框
QO1A976o Button1.Attributes.Add("onclick","return confirm(’确认?’)");
?^+#pcX]t| button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Xq=!"E WLg6-@kxXs 3.删除表格选定记录
jKY Aid{- int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
|G`4"``]k string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
[TiTff&LV m'G?0^Ft 4.删除表格记录警告
PCV58n3 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
23B^g {
N}.Q%&6: switch(e.Item.ItemType)
~:P8g<w
{
qv
;1$ case ListItemType.Item :
*:fw6mnJ# case ListItemType.AlternatingItem :
eR#gG^o8 case ListItemType.EditItem:
`? 9]' TableCell myTableCell;
mVc'%cPaw myTableCell = e.Item.Cells[14];
YoSo0fQA LinkButton myDeleteButton ;
(Fbm9(q$d myDeleteButton = (LinkButton)myTableCell.Controls[0];
9TbS>o myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
E :' break;
D@sx`H( default:
g%fJyk' break;
n]6}yJJo }
6N)<
o ;U Nj3^"}V }
ei|*s+OZu <'o 'H 5.点击表格行链接另一页
!~w6"%2+7 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
(DELxE {
@^XkU(m //点击表格打开
\M'bY: if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
,
$D&WH e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
buCm @@o }
alb+R$s 1"4nmw} 双击表格连接到另一页
<g/(wSl CL<KBmW7 在itemDataBind事件中
-!bLMLIg if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
^ T:qT*v {
q.,p6D string OrderItemID =e.item.cells[1].Text;
C9z~)aL}7 ...
ELkOrV~a{: e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
_/z)&0DO }
Hq"<vp yTq(x4] 双击表格打开新一页
Fy(nu-W if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
\{+nXn {
B;D:9K string OrderItemID =e.item.cells[1].Text;
Fl 'xmz^ ...
}Nd`;d
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
S\{^LVXTMd }
b0z{"
g_Dt} !A\B ★特别注意:【?id=】 处不能为 【?id =】
:zn ?<(sQ 6.表格超连接列传递参数
"ZJ1`R=Mj <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
WT ~dA95 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
yZ(Nv $[5 n%MYX'0 7.表格点击改变颜色
5S-o
2a if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
sKB-7 {
}r<@o3t e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
eI=Y~jy this.style.color=’buttontext’;this.style.cursor=’default’;");
Zm8
u: }
f'i8Mm4IL &"j).Ogm4 写在DataGrid的_ItemDataBound里
sh))[V"8 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
3EW f|6RI {
p`l[cVQ< e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
O"s`-OM;n this.style.color=’buttontext’;this.style.cursor=’default’;");
E_gDwWot e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
4M<JfD }
f{ 4G |<Dx #NQz&4W 8.关于日期格式
fF-\TW }$k`[ivBx( 日期格式设定
b=QGbFf DataFormatString="{0:yyyy-MM-dd}"
feq6!k7 )Fr;'JYC1S 我觉得应该在itembound事件中
8$jT#\_ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
4ysdna\+ 7%"\DLA 9.获取错误信息并到指定页面
!wb~A0m % x*Ec[l
不要使用Response.Redirect,而应该使用Server.Transfer
Ccd7|L1 WoWM e.g
0)Um W{ // in global.asax
, ZP3F+XKb protected void Application_Error(Object sender, EventArgs e) {
acju!,G if (Server.GetLastError() is HttpUnhandledException)
Jx
;"a\KD Server.Transfer("MyErrorPage.aspx");
]pP2c[; dV=5_wXZ$ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
ch8w' }
tDLk ZCP xjbyI_D 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
.s*EV!SE \^( vlcy 10.清空Cookie
^Er`{|o6u Cookie.Expires=[DateTime];
#IrP"j^ Response.Cookies("UserName").Expires = 0
Yg,WdVI&@ *u4X<oBS* 11.自定义异常处理
UoS;!}l //自定义异常处理类
N[bf.5T using System;
pr,1Wp0l using System.Diagnostics;
Oi[9b `"b7y(M namespace MyAppException
=ObtD" {
`8.32@rUB. /// <summary>
CU`Oc>;*T /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Tl7:}X<? /// 自动将异常内容记录到Windows NT/2000的应用程序日志
U+r#YE. /// </summary>
/Vd#q)b%T public class AppException:System.ApplicationException
jv=f@:[`I {
z*~PYAt public AppException()
4NR5?s {
zYF&Dv/u/ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
m:O2_%\l }
|A/_Qe|s2 oqHm:u^2 public AppException(string message)
UZ3Aq12U}a {
Yn2^nT=8 LogEvent(message);
Xt*%"7yTp }
tUF]f6 HFWm}vA: public AppException(string message,Exception innerException)
|/\1nWD {
s:F+bG}| LogEvent(message);
l"y9XO| if (innerException != null)
2#M:JgWV {
rPvX8*)tV LogEvent(innerException.Message);
uN0fWj] }
g@f/OsR76 }
V="f)'S$ tS|zf,7 //日志记录类
A?KKZ{Pl using System;
'^3pF2lIw using System.Configuration;
zGz'2,o3 using System.Diagnostics;
^F9zS`Yz2 using System.IO;
b=\3N3OX using System.Text;
Dohe(\C@ using System.Threading;
*<QL[qyV \1D,Kx;Cb namespace MyEventLog
&-Er n/[ {
n8aiGnd=v
/// <summary>
usf(U> /// 事件日志记录类,提供事件日志记录支持
F4(U~n< /// <remarks>
~M1%,] /// 定义了4个日志记录方法 (error, warning, info, trace)
[;8fL /// </remarks>
irj}:f;!eF /// </summary>
O'U,|A public class ApplicationLog
vz5RS {
vGp@YABM /// <summary>
oioN0EuDk /// 将错误信息记录到Win2000/NT事件日志中
^qr[?ky]& /// <param name="message">需要记录的文本信息</param>
qZ1PC> /// </summary>
Q[tz)99~ public static void WriteError(String message)
RVy 87_J1 {
vAxtNRS WriteLog(TraceLevel.Error, message);
>m{-&1Tx }
!`E2O*g (7!(e
, /// <summary>
K%_JQ0` /// 将警告信息记录到Win2000/NT事件日志中
c{ (%+ /// <param name="message">需要记录的文本信息</param>
tvCTC ey /// </summary>
%'5 wwl public static void WriteWarning(String message)
S@-X?Lu {
NO1]JpR WriteLog(TraceLevel.Warning, message);
:PkSX*E[q }
Gl1$W=pR: !Xce iQu /// <summary>
#R|4(HlL /// 将提示信息记录到Win2000/NT事件日志中
&_gmQ;%t: /// <param name="message">需要记录的文本信息</param>
-W vAmi /// </summary>
NKYyMHv6 public static void WriteInfo(String message)
\LXNdE2B {
^r$5];n
WriteLog(TraceLevel.Info, message);
'iK*#b8l }
l).Ijl}AH; /// <summary>
izA3 INT /// 将跟踪信息记录到Win2000/NT事件日志中
Fd'L:A~ /// <param name="message">需要记录的文本信息</param>
yB[LO(i /// </summary>
-2?fg public static void WriteTrace(String message)
|[ofc!/ {
dq&d>f1 WriteLog(TraceLevel.Verbose, message);
[r'M_foga* }
9rz "@LM VtFh1FDI\ /// <summary>
vkLG<Y /// 格式化记录到事件日志的文本信息格式
af{K4:I /// <param name="ex">需要格式化的异常对象</param>
SNFz#* /// <param name="catchInfo">异常信息标题字符串.</param>
A+&Va\|x /// <retvalue>
Uy=eHwU?J /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
{D8IA3w /// </retvalue>
Zx0c6d!B /// </summary>
@"0qS:s]X public static String FormatException(Exception ex, String catchInfo)
zvWQ&?&o2 {
2(|V1]6D? StringBuilder strBuilder = new StringBuilder();
t~`Ef if (catchInfo != String.Empty)
TB\CSXb {
n\4+xZr strBuilder.Append(catchInfo).Append("\r\n");
DTY=k }
0fNBy^(K strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
`{":*V
return strBuilder.ToString();
usip>y }
e2Dj%=`EU ebchHnOd /// <summary>
;.Y`T/eWS /// 实际事件日志写入方法
wv$=0zF /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
{3>^nMv@e /// <param name="messageText">要记录的文本.</param>
vPi+8) /// </summary>
t30V_`eQ private static void WriteLog(TraceLevel level, String messageText)
a@./e @p {
$) $sApB try
0=iJT4IEJ {
[+GG Wo EventLogEntryType LogEntryType;
6SwHl_2% switch (level)
w pvaTHo {
(g\'Zw5bk case TraceLevel.Error:
;L7<mU LogEntryType = EventLogEntryType.Error;
5`J.
ic break;
E =E case TraceLevel.Warning:
aw`mB,5U LogEntryType = EventLogEntryType.Warning;
=Ev } v break;
&'R]oeag case TraceLevel.Info:
xab[ LogEntryType = EventLogEntryType.Information;
0=04:.%D break;
UcZ3v]$I case TraceLevel.Verbose:
|@+
x9|'W LogEntryType = EventLogEntryType.SuccessAudit;
.Qaqkb-Ty break;
l"Css~^ default:
cg4,PI%hz LogEntryType = EventLogEntryType.SuccessAudit;
BB-`=X~:m break;
3yQ(,k # }
S=o/n4@} 4 ClW*l EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
n\QG-?%Pi //写入事件日志
Uhf
-}Jdw eventLog.WriteEntry(messageText, LogEntryType);
sXFD]cF n V<YwqK }
L6FUC6x" catch {} //忽略任何异常
sU>*S$X8 }
hZy"@y3Yq } //class ApplicationLog
8=$@azG }
sx9N8T3n iU &V}p 12.Panel 横向滚动,纵向自动扩展
? in&/ZrB <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
I++!F,pB niFjsTA.Z 13.回车转换成Tab
sbRg=k&Ns <script language="javascript" for="document" event="onkeydown">
ukN#>e+L1 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
\"5 \hX~dS event.keyCode=9;
X:DHz0S </script>
&Z9b&P % R'eV< onkeydown="if(event.keyCode==13) event.keyCode=9"
a+Q)~13 Th-zMQ4 14.DataGrid超级连接列
0j3j/={|.1 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
S>6APQ- (\]_/ W 15.DataGrid行随鼠标变色
1@/+ c private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
$XJe) {
Tux~4W if (e.Item.ItemType!=ListItemType.Header)
(A1 !)c {
ieObo foD e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
~!UxmYgO e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
w=OT^d 9n }
r8@:Ko= a }
5t0$nKah] WC`<N4g| 16.模板列
Nz2}Ma 2 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
i^
1P6B <ITEMTEMPLATE>
3B>!9:w~f <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
JBuorc </ITEMTEMPLATE>
Uq"RyvkpP </ASP:TEMPLATECOLUMN>
(!;4Y82# z.7 UfLV9 <ASP:TEMPLATECOLUMN headertext="选中">
.sCo, <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
F> ..eK <ITEMTEMPLATE>
lO<Ujb#"R <ASP:CHECKBOX id="chkExport" runat="server" />
5Pn$@3 </ITEMTEMPLATE>
t@b';Cuv <EDITITEMTEMPLATE>
&bTadd%0 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
7kleBDDT </EDITITEMTEMPLATE>
U%2 pbGU </ASP:TEMPLATECOLUMN>
pp/Cn4"w : wb\N'b 后台代码
nJrV protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
C}wmoYikV {
9Lv`3J^~ //改变列的选定,实现全选或全不选。
'j>Q7M7q{ CheckBox chkExport ;
,>e)8 if( CheckAll.Checked)
GN(PH/fO9 {
<.~j:GbsE foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
/Eu[7 {
E}yl@8g:# chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
jR*1%.Ng chkExport.Checked = true;
9CW .xX8 }
,f4Hl%T; }
h2K1|PUKl[ else
vA"yy"B+ V {
>|mmJ4T foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
8q}`4wCD$ {
L/#^&*'B chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
3<#4 chkExport.Checked = false;
/zM }
kznmA`#jn }
Ez+.tbEA, }
>4b-NS/}0 ?tg(X[h{S 17.数字格式化
L:j;;9Sp{ T ^%$ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
?HAWw'QW <%#Container.DataItem("price","{0:¥#,##0.00}")%>
BPwFcT)i!( mi6<;N2w| int i=123456;
/a(xUm @. string s=i.ToString("###,###.00");
[$
vAjP r^q@rL> 18.日期格式化
zHeqV vSX71 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
X70G@-w &FW|O(] 显示为: 2004-8-11 19:44:28
/2tgxm$} ~f;d3dJ]/ 我只想要:2004-8-11 】
ix [aS <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
#0zMPh /U} ;n?H/(6X8> 应该如何改?
$i7iv 7&DhEI ^ 【格式化日期】
gR
)xw)! 049E#[<Q" 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
#"jEc*&= UMuRB>ey 【日期的验证表达式】
8F9sKRq|rO @rB!47! A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Lp`q[Z* ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
h%|Jkx!v-t cNZuwS~, B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
0B7cpw>_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]))$
w)2X0ev" =$`EB 【大小写转换】
4Z.G HttpUtility.HtmlEncode(string);
Y_ b;1RN HttpUtility.HtmlDecode(string)
?ey!wcv~ 87.b7 b. 19.如何设定全局变量
XT~!dq5 :OT~xU==H Global.asax中
Yw&{.<sL |j3mI\ANF Application_Start()事件中
-rb]<FrL^ Hpo7diBE 添加Application[属性名] = xxx;
Ou/JN+2A jODx&dVr 就是你的全局变量
cOkjeHs
5 o&g-0!" 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
8VxjC1v+ MBXja#(k HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
n%yMf!M
.: " lar~ 【ASPNETMENU】点击菜单项弹出新窗口
G9"2h
\ zX*+J"x 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
NZ`Mq <?xml version="1.0" encoding="GB2312"?>
/G[; kR" <MenuData ImagesBaseURL="images/">
Pp.qDkT <MenuGroup>
b~uz\%'3 <MenuItem Label="内参信息" URL="Infomation.aspx" >
sz}YXR=m <MenuGroup ID="BBC">
rWzw7T~ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
l8rBp87Q <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
C QO gR GW ......
#Q320}]{ s"G;rcS}# 最好将你的aspnetmenu升级到1.2版
zfAHE{c H=Sy. 21.读取DataGrid控件TextBox值
$!F_K foreach(DataGrid dgi in yourDataGrid.Items)
M8j%bmd(, {
T
<J%|d .' TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
=73""ry tb.Text....
57W4E{A }
-OY[x|0 *p)1c_ 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
Ewg5s?2| GjF'03Z4 〖思归〗
3e~X`K1Q< <asp:TemplateColumn HeaderText="数量">
T 9lk&7W <ItemTemplate>
m#y?k1GY <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
QI\ &D)
onkeyup="javascript:DoCal()"
>(>Fx\z} />
I[b@U<\ K5(:UIWx <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
@mM])V </ItemTemplate>
|/LCwq% </asp:TemplateColumn>
-8F~Tffx d3
h^L <asp:TemplateColumn HeaderText="单价">
G}.t!" <ItemTemplate>
;-Bi~XD <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
^'"sFEV7RN onkeyup="javascript:DoCal()"
5|zISK%zHS />
4.@gV/U(| \gd.Bl <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
{UX[SAQ xxnMvL; </ItemTemplate>
,]ALyWGuX </asp:TemplateColumn>
~$I2{I#W oe1Dm <asp:TemplateColumn HeaderText="金额">
"],amJ <ItemTemplate>
9p,<<5{ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
gB\
a </ItemTemplate>
)KvQaC </asp:TemplateColumn><script language="javascript">
\qPgQsy4 function DoCal()
-#XNZy!// {
,~@0IKIA
Q var e = event.srcElement;
I<Vh
Eo, var row = e.parentNode.parentNode;
m<ZwbD var txts = row.all.tags("INPUT");
_J}vPm if (!txts.length || txts.length < 3)
r{m"E^K, return;
*.ffyBI*~ 1zE_ SNx var q = txts[txts.length-3].value;
,O=@I var p = txts[txts.length-2].value;
'WH@Zk/l E|2klA^+* if (isNaN(q) || isNaN(p))
G:qkk(6_# return;
F8 4LMk?U g+ `Ie'o< q = parseInt(q);
^0 t81,` p = parseFloat(p);
)4[{+OJa 6"Tr$E txts[txts.length-1].value = (q * p).toFixed(2);
b2;Weu3WN }
yc,Qz.+g </script>
>mI-h MS
Ui_|7 7`3he8@ze tYt/m6h gM|X":j 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
:SSlUl4sU$ page_load
v~73 page.smartNavigation=true
hB:R8Y^?H /Ny/%[cu 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 ?
2S^xqvh private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
uC G^,BQ {
{m}B=u for(int i=0;i<e.Item.Cells.Count-1;i++)
~AuvB4xe~ if(e.Item.ItemType==ListItemType.EditType)
La}=Ng {
DSix(bs9 e.Item.Cells.Attributes.Add("Width", "80px")
NXDV3MH= }
avls[Bq }
?,|_<'$4T ja2LQe@Q 26.对话框
S5RS?ya private static string ScriptBegin = "<script language=\"JavaScript\">";
?|^1-5l3 private static string ScriptEnd = "</script>";
ihH!"HH+ cd}TDd(H% public static void ConfirmMessageBox(string PageTarget,string Content)
#v-)Ie\F? {
D8W:mAGEu string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
V&KH{j/P -'k<2 "z ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
=fBJQK2sk B7t#H? Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
UeE& 8{=d ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
oTOe(5N8a //Response.Write(strScript);
Mz]LFM }
J#@" Yb r3Z-mJ$: 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
.(;k]UP Cgw# c% 1.1 取当前年月日时分秒
ycw'>W3.* currentTime=System.DateTime.Now;
. 36'=K ~2A<fL,- 1.2 取当前年
r~nrP=-% int 年= DateTime.Now.Year;
y9\s[}c_ GLc+`,. 1.3 取当前月
|c 8p{) int 月= DateTime.Now.Month;
N!RyncJ %XG X( 1.4 取当前日
!^q<)!9<EO int 日= DateTime.Now.Day;
@u6#Tvxy[ w/G5I )G 1.5 取当前时
.(9IAAwKn int 时= DateTime.Now.Hour;
Xg!Mc<wA[ *N'B(j/ 1.6 取当前分
Kt}dTpVFr int 分= DateTime.Now.Minute;
V^L;Nw5h W,Dr2$V 1.7 取当前秒
_Zf1=&U#/ int 秒= DateTime.Now.Second;
^r;}6 [zf9UUc~ 1.8 取当前毫秒
F w{8MQ2 int 毫秒= DateTime.Now.Millisecond;
Hg(\EEe E? F @ 28.自定义分页代码:
wZrdr4j _IpW& 先定义变量 :
(:T~*7/" public static int pageCount; //总页面数
FLy|+4D_%4 public static int curPageIndex=1; //当前页面
!2&h=;i~V `m'2RNSc+# 下一页:
j-{WPJa4\ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
\UB<'~z6! {
fngZ0k! DataGrid1.CurrentPageIndex += 1;
6dq U4 curPageIndex+=1;
G2L7_?/m }
kf5921(P Nt/*VYUn bind(); // DataGrid1数据绑定函数
uvA}7L{UO yY_]YeeR 上一页:
de ](l687I if(DataGrid1.CurrentPageIndex >0)
|Z2_1(
ku {
3U:0 ,-j" DataGrid1.CurrentPageIndex += 1;
$ h_ @`j curPageIndex-=1;
|y'q`cY }
(\R"v^ &x=<>~Ag3 bind(); // DataGrid1数据绑定函数
4a)qn?<z PVtQ&m$y 直接页面跳转:
S%%>&^5 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
+U6!
bu>C * rs_k/2( if(a<DataGrid1.PageCount)
NU
6P {
s` S<BX7 this.DataGrid1.CurrentPageIndex=a;
*2@q=R-1 }
;\iQZ~ )(!vd!p5 bind();
9Xm"kVqd/ {ZfTUt)-P 29.DataGrid使用:
g" M1HxlV
d;CD~s 添加删除确认:
i,bFe&7J private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
iWtWT1n8n {
2'@0|k,yC foreach(DataGridItem di in this.DataGrid1.Items)
aX
?ON {
7z+NR&'M$ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
3cOXtDV YT {
8o4
vA, ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
Fir7z nRW }
DsFrA] }
@7BH`b$)! }
bTn-Pg){ g\jdR_/ 样式交替:
dB1bf2'b# ListItemType itemType = e.Item.ItemType;
Ajq<=y`NzV *?i~AXJm if (itemType == ListItemType.Item )
E&"bgwav{( {
Y*7.3 +# e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
hy6px e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
OY@/18D<> }
I/'jRM else if( itemType == ListItemType.AlternatingItem)
r\em-%: {
m$$U%=r>@ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
61wGIN2, e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
z1YC%Y|R }
]p$fEW g XLOk + Fn 添加一个编号列:
%3~jg DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
==Y^~ab;K DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
uS<&$JH n!f@JHL for(int i=0;i<dt.Rows.Count;i++)
<ZCjQkka>r {
hL&z"_` dt.Rows["number"]=(i+1).ToString();
`+i<:,z-gs }
.PF~8@1ju /J5wwQ
(: DataGrid1.DataSource=dt;
MF>?! ! DataGrid1.DataBind();
M|e@N 'S&5zwrH DataGrid1中添加一个CheckBox,页面中添加一个全选框
XFH7jHnL+U private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
QCMt4`%'u {
RD,`D! foreach(DataGridItem thisitem in DataGrid1.Items)
z+Y0Zh";/# {
?|{P]i?)' ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
gX]?`u }
lKwI lp }
91[(K'=& -R|v&h%T 将当前页面中DataGrid1显示的数据全部删除
rfoLg foreach(DataGridItem thisitem in DataGrid1.Items)
7)<&,BWc {
td{$c6 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
j#.Aiy:, {
+.gZILw string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
FzW7MW>\x Del (strloginid); //删除函数
%nT!u!# }
7oK!!Qd^w }
<08)G7 }eSaF@. 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)
THkg,*;: 4Bs '5@ 在Application_Start中添加以下代码:
UJ
n3sZ<} Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
SwXVa/9a" AppSettings["ConnStr"].ToString();
=YOq0 Y2W|b5 31. 变量.ToString()
-LhO
</l f;x0Ho5C2 字符型转换 转为字符串
^|hlY]Ev 12345.ToString("n"); //生成 12,345.00
BF
b<"!Y 12345.ToString("C"); //生成 ¥12,345.00
pE,2pT2> 12345.ToString("e"); //生成 1.234500e+004
whxTCI V 12345.ToString("f4"); //生成 12345.0000
2Jo|]>nl}u 12345.ToString("x"); //生成 3039 (16进制)
9sJ=Nldq 12345.ToString("p"); //生成 1,234,500.00%
l|9'M'a 8BE] A_X 32、变量.Substring(参数1,参数2);
:m]H?vq] \ xhK8Q 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);
E2K{9@i N?`V;`[ 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)
"ngULpb{R <SCRIPT language="javascript">
R-LMV <!--
>~:Md function gook(pws)
:e/*5ix {
eu={6/O frm.submit();
_t&`T }
|W_;L6) //-->
N,W ?} e`n+U-)z </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
j 5}'* <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
DK)T2{: <tr>
z_93j3# <td>
}D># AFs6# <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
7-:R{&3Lm: <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
vMd3#@ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
B6=?Qp/f
J-#V_TzJ? <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
3P@D!lV&K <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
-M/j&<;LW {ETM > </td>
zD)/Q FILy /sfJ:KP0 </tr>
m/z,MT74*J B (Ps/ </form>
FA%_jM nv0\On7wd 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。
&&nbdu Kv<f<>|L 下面是获取用户输入的登陆信息的代码:
fIl;qGz85 string name;
]{oZn5F name=Request.QueryString["EmailName"];
DQT'OZ:w oNZ_7tU try
P q$0ih {
7:,f|> int a=name.IndexOf("@",0,name.Length);
NMe{1RM f_user.Value=name.Substring(0,a);
]?pQu '-( f_domain.Value=name.Substring(a+1,name.Length-(a+1));
ak7kb7 5o f_pass.Value=Request.QueryString["Psw"];
D"rbQXR7$ }
s3HVX' Q_U.J0 catch
_Ao$)Gu) {
y(o)}m*0 Script.Alert("错误的邮箱!");
#~!"`B?#* Server.Transfer("index.aspx");
+? h}e }