1. 打开新的窗口并传送参数:
Qc2_B\K^ `,
?T;JRc 传送参数:
8Ua;< h% response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
dq?q(_9 U$KdY _Z97 接收参数:
M>df7.N7%P string a = Request.QueryString("id");
c?L_n=B string b = Request.QueryString("id1");
i]Or'L0c aTC7 H]e 2.为按钮添加对话框
ap k06"/ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
NfcQB;0 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
MT" 2^&R {9KG06%+ 3.删除表格选定记录
e.eQZ5n~q` int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
iulM8"P
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
TL(L[ B[^mWVp6L 4.删除表格记录警告
v2 [
l$ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
*B(na+ {
,D-VC{lj switch(e.Item.ItemType)
fG O.wb {
X%!#Ic]Q case ListItemType.Item :
kWL\JDZ`. case ListItemType.AlternatingItem :
=V:rO;qX+@ case ListItemType.EditItem:
5Bw TableCell myTableCell;
3`4g*wO myTableCell = e.Item.Cells[14];
z;UkK LinkButton myDeleteButton ;
%k#Q)zWJ myDeleteButton = (LinkButton)myTableCell.Controls[0];
dX0A(6 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
G0$
1"9u\w break;
/OaLkENgvf default:
VmrW\rH@ break;
9 ="i'nYp }
a3]'%kKp 9PEjV$0E2 }
krm&.J Ow=` tv$l 5.点击表格行链接另一页
)K\w0sjR private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
=
wNul" {
Y[x9c0 //点击表格打开
['m@RJm+ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
W&y%fd\&3 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
VA_\Z }
LRD71*/ ( B$;'U< 双击表格连接到另一页
XiI@Px?FL pLL
^R 在itemDataBind事件中
Dq+rEt if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
67 >*AL {
`':$PUz,g string OrderItemID =e.item.cells[1].Text;
mfLS</A ...
0mL#8\'" e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
E]6C1C&K }
uYiM~^0 Mq]~Ka3q7 双击表格打开新一页
nK Rx_D$d if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
=x}27f%-Mg {
]c8lZO> string OrderItemID =e.item.cells[1].Text;
0Z#&!xTb ...
3/o-\wWO e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
sj003jeko }
rixNz@p'% ~q#UH'=% ★特别注意:【?id=】 处不能为 【?id =】
zLuej' 6.表格超连接列传递参数
J=W"FEXTL7 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Mi.xay% <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
&| el8;D H Kx2QFB 7.表格点击改变颜色
d}%GHvOi if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
+Ck<tx3h& {
GWRKiTu9 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
? e%Pvy<i this.style.color=’buttontext’;this.style.cursor=’default’;");
qR!SwG44+ }
]1rr$f9 RUm1;MWs 写在DataGrid的_ItemDataBound里
9)s=%dL if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
MsCY5g {
31k.{dnm e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
C/ow{MxA this.style.color=’buttontext’;this.style.cursor=’default’;");
9f;\fe e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
|"DQ^)3Pi }
Q u2W QNzI /og2+! 8.关于日期格式
l,HM m|oU azz6_qk8 日期格式设定
u\-xlp?"o DataFormatString="{0:yyyy-MM-dd}"
( du<0J|PT D_`MeqF}C 我觉得应该在itembound事件中
)(b]-
) e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
PoY+Y3 >F6'^9| 9.获取错误信息并到指定页面
e?3 S0} D#508{) 不要使用Response.Redirect,而应该使用Server.Transfer
UyBI;k^]
W"YFx*W e.g
uG&xtN8 // in global.asax
zS 18Kl protected void Application_Error(Object sender, EventArgs e) {
^rjICF e if (Server.GetLastError() is HttpUnhandledException)
Uaj8}7v Server.Transfer("MyErrorPage.aspx");
cF3V{b|bU $`x4|a8- //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
&V$_u#< }
(}vi"mCeW )U e9:e 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
a_w#,^/P ~\<Fq \.x 10.清空Cookie
?8fa/e Cookie.Expires=[DateTime];
g5lf-}? Response.Cookies("UserName").Expires = 0
:CNWHF4$ ZY +NKb_ 11.自定义异常处理
4 StiYfae //自定义异常处理类
|Spy |,/ using System;
z%(m:/N70 using System.Diagnostics;
1XUsr;Wz `] ;*k2 namespace MyAppException
N^xnx< {
?SRG;G1 /// <summary>
K/KZ}PI-O /// 从系统异常类ApplicationException继承的应用程序异常处理类。
6:i{_YX(.S /// 自动将异常内容记录到Windows NT/2000的应用程序日志
I0.{OJ- /// </summary>
SaMg)s~B public class AppException:System.ApplicationException
L|EvI.f {
4!,x3H' public AppException()
,*%%BTnR {
~~,\BhG? if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
E$=!l{Ms }
lNowH0K!D -("sp public AppException(string message)
4*d$o=wa {
'@i/?rNi%N LogEvent(message);
.&=nP?ZPC6 }
fI;6!M#
T?{"T/ public AppException(string message,Exception innerException)
5ycccMx0V {
,IF3VE&r LogEvent(message);
PsMoH/+" if (innerException != null)
s"?Z jV)` {
F\F_">5 LogEvent(innerException.Message);
}p$>V,u }
thIuK V{CO }
pca `nN! "VR>nyG% //日志记录类
4UT%z}[! using System;
sxinA8 using System.Configuration;
pZUckQ using System.Diagnostics;
n=WwB(}q using System.IO;
vx62u29m using System.Text;
|RS9N_eRt using System.Threading;
+KgLe> -} FY+0r67] namespace MyEventLog
@{3$H^ {
!f[LFQD /// <summary>
FJomUVR . /// 事件日志记录类,提供事件日志记录支持
eG*<=.E /// <remarks>
Y|FF
;[ /// 定义了4个日志记录方法 (error, warning, info, trace)
q}p&<k /// </remarks>
q@8Jc[\d /// </summary>
N]udZhkn public class ApplicationLog
AE? 0UVI {
xCGa3 X /// <summary>
jU.z{(s /// 将错误信息记录到Win2000/NT事件日志中
d*$$E /// <param name="message">需要记录的文本信息</param>
AP5[}$TT /// </summary>
g|ewc'y public static void WriteError(String message)
T1 >xw4uo {
?XN=Er^ WriteLog(TraceLevel.Error, message);
8'[g? }
`ECT8 ZmeSm&
hQ_ /// <summary>
I
,8 /// 将警告信息记录到Win2000/NT事件日志中
hAX@|G. /// <param name="message">需要记录的文本信息</param>
jLo(Uf /// </summary>
kKL'rT6z public static void WriteWarning(String message)
yIy'"BCxM {
~(bY-6z WriteLog(TraceLevel.Warning, message);
S^(OjS }
w#mna b@ Q46^i7= /// <summary>
'ol8l Ia.P /// 将提示信息记录到Win2000/NT事件日志中
W|h~&O /// <param name="message">需要记录的文本信息</param>
l\g>@b /// </summary>
G(gJtl public static void WriteInfo(String message)
UgI0
*PE2 {
~SUrbRaY> WriteLog(TraceLevel.Info, message);
z#9Tg"8] }
EZnXS"z /// <summary>
U|SF;T
. /// 将跟踪信息记录到Win2000/NT事件日志中
36"-cGNr{ /// <param name="message">需要记录的文本信息</param>
S"hA@j /// </summary>
)tYu3*' public static void WriteTrace(String message)
4FrP%|%E~ {
8 *o*?1. WriteLog(TraceLevel.Verbose, message);
GPV=(}z }
AB(WK9o =2v/f_ /// <summary>
-#@l`kt /// 格式化记录到事件日志的文本信息格式
Z
0&=Lw /// <param name="ex">需要格式化的异常对象</param>
EMy>X /// <param name="catchInfo">异常信息标题字符串.</param>
@'n075)h /// <retvalue>
h|~I'M]* /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
JC6?*R /// </retvalue>
d8D0 28d /// </summary>
=D-u".{ public static String FormatException(Exception ex, String catchInfo)
=T"R_3[NC {
iB4`w\-o StringBuilder strBuilder = new StringBuilder();
D2}N6i if (catchInfo != String.Empty)
Nini8@d {
p GZiADT strBuilder.Append(catchInfo).Append("\r\n");
ZtHTl\z }
]q^6az(Ud strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
?
nx3#< return strBuilder.ToString();
K(jo [S }
u7||]|2 PY81MTv0; /// <summary>
9u[^9tL+D /// 实际事件日志写入方法
k-it#'ll{x /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
\jA#RF.W /// <param name="messageText">要记录的文本.</param>
$[f-{B{>* /// </summary>
7slpj8 private static void WriteLog(TraceLevel level, String messageText)
l9{}nz {
P=3mLz- try
suKr//_ {
$?P 5A E EventLogEntryType LogEntryType;
ZZ'5BfI"I% switch (level)
hp|.hN(kS] {
;Aqj$ x case TraceLevel.Error:
CcCcuxtR LogEntryType = EventLogEntryType.Error;
M'gGoH}B+q break;
T'6MAxEZUq case TraceLevel.Warning:
zTBf.A;e7 LogEntryType = EventLogEntryType.Warning;
N!~O~Eo3 break;
zSd!n case TraceLevel.Info:
Ww=^P{q\ LogEntryType = EventLogEntryType.Information;
Gxh r0' break;
q4MR9ig1E_ case TraceLevel.Verbose:
{,NF'x4$ LogEntryType = EventLogEntryType.SuccessAudit;
[?>\] break;
s5s'[< default:
-v %n@8p LogEntryType = EventLogEntryType.SuccessAudit;
j+"w2 break;
S:(YZ%# }
"ov270: 8
$qj&2 N EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
xeNj@\jdC5 //写入事件日志
OsT|MX eventLog.WriteEntry(messageText, LogEntryType);
/SW*y@R2l Q{[l1: }
6 2:FlW> catch {} //忽略任何异常
G!T_X*^q2U }
,>p1:pga } //class ApplicationLog
/@ww"dmqU }
y5{Vx{V"Q m?O~(6k@C 12.Panel 横向滚动,纵向自动扩展
J?C#'2/
<asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
6?(yMSKa 3N[Rrxe2 13.回车转换成Tab
Ce/l[v <script language="javascript" for="document" event="onkeydown">
xovsh\s if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
MxgJ+ event.keyCode=9;
O!G!Gq& </script>
zm!M'|~@7 QYg V[\& onkeydown="if(event.keyCode==13) event.keyCode=9"
C4aAPkcp2$ xyD2<?dGUb 14.DataGrid超级连接列
$c{fPFe- DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
~ &<Ls AqiH1LAE 15.DataGrid行随鼠标变色
$GR
rT C! private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
B#DnU;=O#+ {
(kTu6t* if (e.Item.ItemType!=ListItemType.Header)
Kn=0AdM {
w,i?e\5 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
xx@[ecW e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
i!{A7mo }
,njlKkFw^Z }
9OYyR $b~[>S-Q 16.模板列
2@N9Zk{{J <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
s0O]vDTR,H <ITEMTEMPLATE>
[ $5u:* <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
g=/!Ry= </ITEMTEMPLATE>
"Zfm4Nx" </ASP:TEMPLATECOLUMN>
M5a&eO @O`T|7v <ASP:TEMPLATECOLUMN headertext="选中">
*Z$W"JP <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
yJ/YK <ITEMTEMPLATE>
~t<G gNI <ASP:CHECKBOX id="chkExport" runat="server" />
!bCSt?}@u </ITEMTEMPLATE>
j{j5TvsrY <EDITITEMTEMPLATE>
-UM|u_ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
zpD?5 </EDITITEMTEMPLATE>
..kFn!5(g </ASP:TEMPLATECOLUMN>
+MZI \> WG&! VK 后台代码
9W0*|!tQ,+ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
dS8ydG2 {
9
JhCSw-<) //改变列的选定,实现全选或全不选。
u`ryCZo#g CheckBox chkExport ;
q3vv^~ if( CheckAll.Checked)
G6.lRaPu"m {
?b:Pl{? foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
-{}h6r {
y/E:6w chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
's.e"F# chkExport.Checked = true;
NB4Q,iq$ }
3G[|4v?[<_ }
tI@aRF=p]2 else
XzPOqZ`Nv {
F$-f j "jC foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
t.+)g-X {
#mU<]O chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
&b`'RZe chkExport.Checked = false;
gnGh ) }
wfv\xHG }
jEE!H/ }
k'_f?_PBu EDz;6Z*4N 17.数字格式化
Lk!m1J5 $KQ q~| 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
YKz#, <%#Container.DataItem("price","{0:¥#,##0.00}")%>
9%Tqk"x? {i+
o'Lw int i=123456;
s=]NKJaQH string s=i.ToString("###,###.00");
b*Q3j}c Z $/lM %yXe 18.日期格式化
D;s%cL` `#'j3,\6 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
'}9 Nvr)+ 7H09\g& 显示为: 2004-8-11 19:44:28
{?Nm"# }`2a>N:
& 我只想要:2004-8-11 】
Z;V(YK(WO. <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
{_-T! yb ">G*hS 应该如何改?
t=X=",)f HE35QH@/` 【格式化日期】
nw\C+1F }AA">FF'y4 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
%*szB$[3 L}CU" 【日期的验证表达式】
8{=|< OPzudO A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
4D2U,Ds
^((\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})))?$
up+0-!AH dOKp:|9G B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
<{k`K[) ^\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]))$
ZG0^O"B0 6}m `_d? 【大小写转换】
=^GPQ_" HttpUtility.HtmlEncode(string);
z\oTuW*B HttpUtility.HtmlDecode(string)
=}%#j0a4 "9r$*\wOf 19.如何设定全局变量
nShXY6bA pbEWnx_ Global.asax中
m5iCvOP M 9-Q Application_Start()事件中
:A
zll s aXQS0>G%( 添加Application[属性名] = xxx;
.CnZMw{' mW4Cc1* 就是你的全局变量
dVYY:1PS WKiP0~ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
QmjE\TcK/ ;&n iZKoe HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
y%ij)vQY jhf#
gdz% 【ASPNETMENU】点击菜单项弹出新窗口
HA8A}d~ faDS!E' + 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
NuPlrCy; <?xml version="1.0" encoding="GB2312"?>
>G8I X^*sG <MenuData ImagesBaseURL="images/">
&:5*^1oP <MenuGroup>
>t)Pcf|s <MenuItem Label="内参信息" URL="Infomation.aspx" >
C 2nmSXV <MenuGroup ID="BBC">
{j9TzR <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
sWo}Xq# <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
<#ON ......
XrM+DQ; ij!d-eM/b 最好将你的aspnetmenu升级到1.2版
'=vZAV` ?5J#
yn 21.读取DataGrid控件TextBox值
]y6{um8" foreach(DataGrid dgi in yourDataGrid.Items)
m=sEB8P {
{h|<qfH TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
},j |eA/W tb.Text....
9c[X[Qc }
W,NqevXo: `X5!s 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
>U,&V%y ttUK~%wSx 〖思归〗
t*9 gusmG <asp:TemplateColumn HeaderText="数量">
I)V=$r{ <ItemTemplate>
g%l ,a3" <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
'o6}g p) onkeyup="javascript:DoCal()"
",3v%$> />
I{OizBom beBG40 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
{o5|(^l </ItemTemplate>
k7Bh[ ..! </asp:TemplateColumn>
)`rD]0ua; I4G0!"T+ <asp:TemplateColumn HeaderText="单价">
LWv<mtuYf <ItemTemplate>
b'\Q/;oz> <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
Q3tyK{JE onkeyup="javascript:DoCal()"
!nSa4U,$w< />
8j;Un] e?.j8Q~ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
X#t tDB 3T8d?%.l </ItemTemplate>
salC4z3 </asp:TemplateColumn>
ySr,HXz EW*sTI3 <asp:TemplateColumn HeaderText="金额">
v1 8<~ <ItemTemplate>
%jzTQ+.%]^ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
w2.]
3QAZ </ItemTemplate>
.qSDe+A </asp:TemplateColumn><script language="javascript">
M!'d function DoCal()
c'i5,\ #X {
gSwV:hm var e = event.srcElement;
fgd2jr3T var row = e.parentNode.parentNode;
x|a&wC2,{ var txts = row.all.tags("INPUT");
iT
:3e% if (!txts.length || txts.length < 3)
Z?{\34lPj return;
6ieul@?*u* [*^.$s( var q = txts[txts.length-3].value;
,gVVYH?qR var p = txts[txts.length-2].value;
E`oA(x7l -`I|=lBz{H if (isNaN(q) || isNaN(p))
7A\` return;
o6MFMA+vi d}4NL:=& q = parseInt(q);
t|i NSy3 p = parseFloat(p);
OF7hp5 SvM\9 txts[txts.length-1].value = (q * p).toFixed(2);
qUd7O](b=? }
AB'+6QU9k </script>
!^%3 FB[b]+t`D{ LG&BWs! D6Ad"|Z )k=KLQ\b 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。
:')[pO_FW* page_load
]gq)%T] page.smartNavigation=true
Lto*L X 2&V>pE 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 ?
H7X-\K 1w private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
$\BYN=# {
Rlewp8?LB for(int i=0;i<e.Item.Cells.Count-1;i++)
!:|*! if(e.Item.ItemType==ListItemType.EditType)
?gMx {
`f>!/Zm%9 e.Item.Cells.Attributes.Add("Width", "80px")
Q-w# !<L. }
X}k;(rb }
^xa, r#N:V @q'kKVJs 26.对话框
syR"p,3EC private static string ScriptBegin = "<script language=\"JavaScript\">";
RE;A0E_3 private static string ScriptEnd = "</script>";
"#iJ/vy _p*9LsN$L public static void ConfirmMessageBox(string PageTarget,string Content)
I1fpX | {
j+_fHADq string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
/Sj~lHh _iJ~O1qx,w ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
T'5{p |Mq+QDTTw~ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
G\gjCp?! ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
TN0KS]^A3 //Response.Write(strScript);
rM7qBt }
C#U(POA qi4P(s-i 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Mh7m2\fLbd w~*@TG 1.1 取当前年月日时分秒
H.ZIRt!RB currentTime=System.DateTime.Now;
_= v4Iz0 gyvrQ, u 1.2 取当前年
,0! 2x"Q= int 年= DateTime.Now.Year;
v1:.t Vu5?;|^: 1.3 取当前月
}YDi/b7 int 月= DateTime.Now.Month;
5tlRrf 1tNL)x"w 1.4 取当前日
%Ln`c.C int 日= DateTime.Now.Day;
6HY): M&? efQ8jO 1.5 取当前时
@)U.Dbm int 时= DateTime.Now.Hour;
U>PZ3 kG>jb!e@( 1.6 取当前分
;MS.ag# int 分= DateTime.Now.Minute;
ZQfxlzj+X @N Yl4N 1.7 取当前秒
\(Sly&gL int 秒= DateTime.Now.Second;
x?wvS]EBg H3rA
?F#+* 1.8 取当前毫秒
=p@`bx int 毫秒= DateTime.Now.Millisecond;
(TT=i 6|jZv~rS$ 28.自定义分页代码:
2`f{D~w \(\a= 先定义变量 :
i|^Q{3?o# public static int pageCount; //总页面数
!UT'4Fs public static int curPageIndex=1; //当前页面
;@ePu ~tp]a]yV 下一页:
uos8Mav{E if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
nONuw;K {
rt+4-WuK> DataGrid1.CurrentPageIndex += 1;
~~/,2^ curPageIndex+=1;
RAO+<m }
ETHcZ $wUYK%. bind(); // DataGrid1数据绑定函数
=*\.zr
xOTvrX 上一页:
r{R-X3s if(DataGrid1.CurrentPageIndex >0)
,R{&x7 {
Sb`[+i'` DataGrid1.CurrentPageIndex += 1;
X"{%,]sb G curPageIndex-=1;
64/ZfXD }
*O_fw 0jV *$eH3nn6g bind(); // DataGrid1数据绑定函数
O)dnr8* uuY^Q;^I* 直接页面跳转:
CQWXLQED> int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
DsHF9Mn D]@(LbMG4 if(a<DataGrid1.PageCount)
J8:s=#5 {
C7%R2>}?f this.DataGrid1.CurrentPageIndex=a;
tRoSq;VrS }
At.&$ t mo| D bind();
2)=whnFS eGEwXza 4 29.DataGrid使用:
Jh\KVmfXN &nmBsl3Q. 添加删除确认:
c-$rB_t+ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
+fVv H {
1bV
G%N foreach(DataGridItem di in this.DataGrid1.Items)
2w.FC {
#kW=|8X if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
+M=h+3hw]( {
{>ba7-Cy+y ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
}QI \K }
R{@saa5I(> }
UdO8KD#r3 }
x/s:/YN' AIHH@z 样式交替:
[PIMG2"G ListItemType itemType = e.Item.ItemType;
^OY$
W }WsPu o if (itemType == ListItemType.Item )
M}|(:o3Yo {
07.p
{X R e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
lju5+0BSb e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
2y!n c% }
Ij#mmj NW else if( itemType == ListItemType.AlternatingItem)
r)t[QoD1 {
qR@ESJ_ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
Lvf<g}?4 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Z[@ i/. I }
t utk*|S e1Db
+ QBV 添加一个编号列:
s$#64"F DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
@D9O<x DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
zB%~=@Q^6 0!\gK<,z for(int i=0;i<dt.Rows.Count;i++)
\lK?f] qJq {
L2VwW dt.Rows["number"]=(i+1).ToString();
ko}& X= }
;<FAcR j3sz"( DataGrid1.DataSource=dt;
$1 ])>m_ct DataGrid1.DataBind();
u#ya
8 gT8(LDJ DataGrid1中添加一个CheckBox,页面中添加一个全选框
MD[hqshoh private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
F8w7N$/V", {
{7e(0QK foreach(DataGridItem thisitem in DataGrid1.Items)
/O[6PG {
2c Xae ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
eCI'<^ }
t!\aDkxo % }
w[z=x :%gc Sm 将当前页面中DataGrid1显示的数据全部删除
':4ny]F foreach(DataGridItem thisitem in DataGrid1.Items)
4u5j
7`O {
]O|>nTa if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
0/QDfA? {
>v,X:B?+FL string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
od!44p] Del (strloginid); //删除函数
hrniZ^ }
[+WsVwyf? }
mu
B Y J^"_H:1[ 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)
*9n[#2sM< C@-Hm 在Application_Start中添加以下代码:
8>x5| Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
[],[LkS AppSettings["ConnStr"].ToString();
j)@W1I]2# Ny"9!3V 31. 变量.ToString()
l4RqQ+[KA; X0j\nXk 字符型转换 转为字符串
8ve-g\C8 H 12345.ToString("n"); //生成 12,345.00
v
o:KL%) 12345.ToString("C"); //生成 ¥12,345.00
>"/TiQt 12345.ToString("e"); //生成 1.234500e+004
v J0v6\ 12345.ToString("f4"); //生成 12345.0000
!hHe` 12345.ToString("x"); //生成 3039 (16进制)
^6Aa^| 12345.ToString("p"); //生成 1,234,500.00%
bm;iX*~ $@VJ@JAe 32、变量.Substring(参数1,参数2);
i7dDklj4 ,.Ofv):= 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
E]q>ggeNH `6rLd>=R 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
q;AD#A|\ <SCRIPT language="javascript">
OG#^d5( <!--
lZwjrU| _ function gook(pws)
C 9%bD {
E:rJi] frm.submit();
S[y'{; }
m !:F/?B //-->
Ps0Cc _ `pbCPa{Y </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
b#7nt ?`7p <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
(B` NnL$ <tr>
$U,]c <td>
jpi,BVTI-X <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
JSg=9p$ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
nIH(2j <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
yi^X?E{WnX 6%EpF;T`
<INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
4"PA7
e <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
A#$l;M.3R '0f!o&?g </td>
J|xXo 7_Vd%<: </tr>
0of:tZU 23LG)or.JC </form>
,pcyU\68v ,JH*l:7 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。
GGHMpQ |%4nU#GoB 下面是获取用户输入的登陆信息的代码:
h(2{+Y+ string name;
n}NUe`E_h name=Request.QueryString["EmailName"];
a\-5tYo`u PM*lnd#J try
R?:K\ {
V,ZRX}O int a=name.IndexOf("@",0,name.Length);
+4t
\j<T f_user.Value=name.Substring(0,a);
U-?r>K2
f_domain.Value=name.Substring(a+1,name.Length-(a+1));
L^^f.w#m f_pass.Value=Request.QueryString["Psw"];
CEk[&39" }
Iv7BIK^0 V13^SVM catch
~i-n_7 + {
0Wd5s{S Script.Alert("错误的邮箱!");
\sGJs8#v][ Server.Transfer("index.aspx");
%.[AZ> }