1. 打开新的窗口并传送参数:
ROjjN W`W gP`!MlY@ 传送参数:
asq/_` response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
nEp'l.T hL3,/^;E , 接收参数:
G^(&B30V string a = Request.QueryString("id");
c0qv11,:t string b = Request.QueryString("id1");
K?;p: U.)G#B 2.为按钮添加对话框
"aBd0i& Button1.Attributes.Add("onclick","return confirm(’确认?’)");
kIfb! button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Gzir>'d2'V 8x9kF]= 3.删除表格选定记录
0%qUTGj int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
23f[i<4e string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
wr$}AX 3N
bn|_`( 4.删除表格记录警告
wqwJpWIe private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
?V{k\1A {
y{{EC# switch(e.Item.ItemType)
> 4ct[fW+ {
VA%"IAl case ListItemType.Item :
eTF8B<? case ListItemType.AlternatingItem :
YEQW:r_h.S case ListItemType.EditItem:
E?XCL8NC TableCell myTableCell;
gZjOlp myTableCell = e.Item.Cells[14];
jSFN/C.9h LinkButton myDeleteButton ;
|tg?b&QR myDeleteButton = (LinkButton)myTableCell.Controls[0];
pq[mM!;#v myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
}m9LyT=~$ break;
UTTC:=F+ default:
yo*iv+l break;
Z0=m:h }
}91mQ`3 2*citB{ }
mU=6"A0
U eCp| QSXE 5.点击表格行链接另一页
nF'xV44" private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
GVEWd/:X( {
h6h1.lZ //点击表格打开
gx*rSS?=N if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
r}\h\ { e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
?nZ <? }
~+#--BhV Nr"N\yOA/ 双击表格连接到另一页
UNQRtR/ eh(Q^E;* 在itemDataBind事件中
-L9R&r#_e if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
~9?U_ahfVt {
Uk:.2%S2 string OrderItemID =e.item.cells[1].Text;
#Q3PzDfj ...
b|dCEmFt e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
qd+[ShrhqZ }
;x-H$OZX c,q"}nE8w 双击表格打开新一页
tin|,jA = if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
sdf% {
ey)u7-O string OrderItemID =e.item.cells[1].Text;
8}, <e>q ...
^W"Q(sh e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
2Nn1-wdhb }
5$oewjLO m`$>:B ★特别注意:【?id=】 处不能为 【?id =】
,iVPcza 6.表格超连接列传递参数
hoR=%pC* <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
FxfL+}?Q <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
@vQa\|j `x UG| 7.表格点击改变颜色
Hl3)R*&'J if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
CofH}- {
g(<T u^F e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
]iDJ*!I this.style.color=’buttontext’;this.style.cursor=’default’;");
gt_XAH }
f>r3$WKj 'e]HP-Y< 写在DataGrid的_ItemDataBound里
\V^*44+
<! if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
_(6`{PWY {
7':f_] e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
%5h^`lp this.style.color=’buttontext’;this.style.cursor=’default’;");
U,<]J*b(@4 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
q[G/} }
PXosFz~ B:-U`CHHQ 2vc\= 8.关于日期格式
Kej|1g1f 8?7kIin 日期格式设定
uxOJ3 DataFormatString="{0:yyyy-MM-dd}"
w<65S {/d4PI7)tK 我觉得应该在itembound事件中
WRD
A ` e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
l(%k6 qO-C%p
[5 9.获取错误信息并到指定页面
hr$Sa @P:R~m2 不要使用Response.Redirect,而应该使用Server.Transfer
QqtC`H\ 5VR.o!h3I e.g
ptpW41t}^ // in global.asax
{'h_'Y`bOQ protected void Application_Error(Object sender, EventArgs e) {
{l2N& if (Server.GetLastError() is HttpUnhandledException)
zF5q=9 4$ Server.Transfer("MyErrorPage.aspx");
)N(9pnyZH p jKt:R} //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
hq<5lE^ }
4:vTxNs&S q2e]3{l3 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
HU &) 3;*z3;#} 10.清空Cookie
<jeh`g Cookie.Expires=[DateTime];
XRa(sXA3 Response.Cookies("UserName").Expires = 0
9ilM@SR n]+. 11.自定义异常处理
(I4y[jnD //自定义异常处理类
L=,OZ9aA using System;
W h| L using System.Diagnostics;
0
y<k][ eC ~jgB namespace MyAppException
S5N@\ x {
Ap%O~wA' /// <summary>
q]^,vei /// 从系统异常类ApplicationException继承的应用程序异常处理类。
9x=3W?K:, /// 自动将异常内容记录到Windows NT/2000的应用程序日志
flG=9~qcGQ /// </summary>
A 4j<\xL public class AppException:System.ApplicationException
vMhYpt?7\ {
sAi&A9"* public AppException()
2F1ZAl {
Fn!SGX~kx$ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
]:&n-&@L }
{I{3 (M#" >uTPjR[ public AppException(string message)
xO7Yt
l {
$jG4pPG LogEvent(message);
LeSHRoD }
!hCS#' ,/&Z3e public AppException(string message,Exception innerException)
3_W{T@T {
tMFsA`ng LogEvent(message);
WfG(JJ if (innerException != null)
j0FW8!!-g {
D{p5/#|r LogEvent(innerException.Message);
]#zZWg
zv }
Vl<9=f7[ }
!
_{d)J }c%
pH{HI //日志记录类
0|XKd24BN using System;
)iU^&@[S using System.Configuration;
DyfsTx using System.Diagnostics;
s<vs:jna using System.IO;
x=]S.XI using System.Text;
cy|%sf` using System.Threading;
ES}. xZ#~ Mvb':/M namespace MyEventLog
dl0FQNz8@B {
aMTFW_w /// <summary>
#?Mj$ZB /// 事件日志记录类,提供事件日志记录支持
I@\+l6&#; /// <remarks>
J8<J8x4 /// 定义了4个日志记录方法 (error, warning, info, trace)
z/ 7$NxJH /// </remarks>
exDkq0u] /// </summary>
mS%4gx~~_n public class ApplicationLog
lY'N4x7n {
3c #s|qW /// <summary>
bik*ZC?E /// 将错误信息记录到Win2000/NT事件日志中
V8PLFt; /// <param name="message">需要记录的文本信息</param>
``|AgIg /// </summary>
%=Tr^{i public static void WriteError(String message)
m"d/b~q {
2)
?q58 WriteLog(TraceLevel.Error, message);
j~`\XX{> }
rmd;\)#*` tous#(&pK /// <summary>
8=;k" /// 将警告信息记录到Win2000/NT事件日志中
[}2Z/
/// <param name="message">需要记录的文本信息</param>
OP! R[27> /// </summary>
{0v*xL_O^ public static void WriteWarning(String message)
Gy"%R-j7 {
HpW 42 WriteLog(TraceLevel.Warning, message);
!HK^AwNY }
bRo|uJ:d OqUr9?+ /// <summary>
L":bI&V?: /// 将提示信息记录到Win2000/NT事件日志中
>v+jh(^ /// <param name="message">需要记录的文本信息</param>
/ T
c= /// </summary>
_yH`t[ public static void WriteInfo(String message)
A??@AP[7M {
l7}g^\I WriteLog(TraceLevel.Info, message);
r&3pM2Da} }
\7v)iG|#G& /// <summary>
~DF:lqwWP /// 将跟踪信息记录到Win2000/NT事件日志中
},@^0UH4c /// <param name="message">需要记录的文本信息</param>
aM=D84@ /// </summary>
3l1cyPv public static void WriteTrace(String message)
`>lzlEhKV {
=L-I-e97@ WriteLog(TraceLevel.Verbose, message);
y9l*m~ }
Ao9R:|9 :aAEJ /// <summary>
:t("L-GPW /// 格式化记录到事件日志的文本信息格式
Shr,#wwM`B /// <param name="ex">需要格式化的异常对象</param>
ExBUpDQc /// <param name="catchInfo">异常信息标题字符串.</param>
'gMfN /// <retvalue>
=8{WZCW5 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
]lO h&Cz[ /// </retvalue>
M8&}j /// </summary>
C.Uju`3 public static String FormatException(Exception ex, String catchInfo)
p0:kz l4$ {
) c2_b StringBuilder strBuilder = new StringBuilder();
/=?x{(B> if (catchInfo != String.Empty)
`#P$ ]: {
L1{GL #qV strBuilder.Append(catchInfo).Append("\r\n");
zYER }
b7`D|7D strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
*e>]~Z, return strBuilder.ToString();
#-VMg+14 }
`)iY}Iu Jju#iwb /// <summary>
k?B[>aQn.0 /// 实际事件日志写入方法
[Nm4sI11 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
2}6%qgnT- /// <param name="messageText">要记录的文本.</param>
1c4/}3* /// </summary>
1T&Rc4$Sn7 private static void WriteLog(TraceLevel level, String messageText)
hwYQGtjF {
9pn>-1NJ try
Ex amD">T {
4R^mI EventLogEntryType LogEntryType;
!|hoYU>@2L switch (level)
=WbOwI)u {
2&mGT&HAVA case TraceLevel.Error:
Rd
\.:u LogEntryType = EventLogEntryType.Error;
IY'=DePd break;
<*ZJaBwWU~ case TraceLevel.Warning:
^nJyo:DO; LogEntryType = EventLogEntryType.Warning;
} p
FQRSOZ break;
f
3V Dv9( case TraceLevel.Info:
{6;9b-a] LogEntryType = EventLogEntryType.Information;
\uqjs+ break;
(_kp{0r# case TraceLevel.Verbose:
C&LBr| LogEntryType = EventLogEntryType.SuccessAudit;
M-L2w" break;
8
;d$54
b default:
\J. .*,' LogEntryType = EventLogEntryType.SuccessAudit;
j`'`)3f break;
)~4II.`%^ }
@+vXMJ $ GcIDG`RX EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
l:0s2 //写入事件日志
$n^MD_1! eventLog.WriteEntry(messageText, LogEntryType);
+y7;81ND ?_x
q- }
El_wdbbT catch {} //忽略任何异常
LZJA4?C }
cMyiW$; } //class ApplicationLog
FMNm,O] }
fx=Awba _It ,%<3 12.Panel 横向滚动,纵向自动扩展
~7~~S*EQ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
}I|u'#n_ <DKS+R 13.回车转换成Tab
]-oJ[5cQ0v <script language="javascript" for="document" event="onkeydown">
^4r73ak/): if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
2"|2a@ event.keyCode=9;
S(S# </script>
9TF f8'?d ~!s-o|N_\ onkeydown="if(event.keyCode==13) event.keyCode=9"
F(4?tX T R1nJUOE4w^ 14.DataGrid超级连接列
V/cP4{L DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
E$W{8?:{ vS\%3A4^+5 15.DataGrid行随鼠标变色
Um1[sMc{au private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
;^*Unyt[4] {
F'g Vzf if (e.Item.ItemType!=ListItemType.Header)
o7mZzzP {
^~{$wVGa e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
?9l [y e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
`cPywn@uGZ }
<%xS{!'} }
uwRr LF 0sI1GhVR 16.模板列
.sQ=;w/ZA <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
*),8PoT <ITEMTEMPLATE>
e[sK@jX6 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
nz9DLAt </ITEMTEMPLATE>
Z%I </ASP:TEMPLATECOLUMN>
[((;+B _qbIh <ASP:TEMPLATECOLUMN headertext="选中">
,J`'Y+7W <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
!"e5~7 <ITEMTEMPLATE>
>A0k 8T <ASP:CHECKBOX id="chkExport" runat="server" />
ZeG_en ; </ITEMTEMPLATE>
:
tWU .f# <EDITITEMTEMPLATE>
8/0Y vh <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
`%09xMPu </EDITITEMTEMPLATE>
k}KC/d9.z </ASP:TEMPLATECOLUMN>
9-]i.y 0afei4i~N 后台代码
>~K
qg~ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
_fZZ_0\Q {
iCHt1VV] //改变列的选定,实现全选或全不选。
'#(v=|J CheckBox chkExport ;
C7H/N<VAq if( CheckAll.Checked)
<C9 XX~ {
[:^-m8QC foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
g;ZxvR)ZJk {
4%1D}9hO6 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
}du XC[ 6 chkExport.Checked = true;
S1/`th }
lV.F,3 }
0%)i<a!_Z else
VXR]"W= {
Z3!f^vAi& foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
WD'#5]#Y {
7Sz?S_N/j chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
<cA/<3k) chkExport.Checked = false;
31EyDU,W }
v\`9;QV5 }
&K/FyY5 }
BL 3gKx.' _gD
pKEaY 17.数字格式化
l3nrEk MLFKH 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
w&xDOyW] <%#Container.DataItem("price","{0:¥#,##0.00}")%>
!~Q2|r au,t%8AC int i=123456;
Agrp(i"\@ string s=i.ToString("###,###.00");
.(Qx{r$ Tr^nkD{ 18.日期格式化
pHoEa7: J<Pw+6B~ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
!ZU2{ r!,}Z=cGe 显示为: 2004-8-11 19:44:28
h[Gg}N! C{2xHd/* 我只想要:2004-8-11 】
8BvonYt=8 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
w1;hy"zPsj $ cu00K 应该如何改?
Kt0(gQOr0 w>b-} t 【格式化日期】
TNJG#8 n%Y }-~T<egF 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
@(C1_ r\;ut4wy 【日期的验证表达式】
W-/}q0h L],f3< A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
% >;#9"O4 ^((\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})))?$
.CSS}4 hQNe;R5 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
`yF`x8 ^\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]))$
r <
cVp^ )!tK[K?5 【大小写转换】
aTBR|US HttpUtility.HtmlEncode(string);
@*
il3h, HttpUtility.HtmlDecode(string)
FYS/##r @xc',I 19.如何设定全局变量
vy,&N^P rWh6RYd<T Global.asax中
Cye$H9 2 lgpW@g Application_Start()事件中
n[YEOkiG q$G,KRy/ 添加Application[属性名] = xxx;
!gnj]k&/c c]B$i*t 就是你的全局变量
fIGFHZy, ?|e'Gbb_ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Z/rTVAs@r 1
y}2+Kk HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
,#W ET];%~ ^ 【ASPNETMENU】点击菜单项弹出新窗口
m5G \}8| dz>;<&2Z 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
-*2Mf Mh <?xml version="1.0" encoding="GB2312"?>
_7DkS}NJs <MenuData ImagesBaseURL="images/">
n41@iK2l <MenuGroup>
oUQ07z\C <MenuItem Label="内参信息" URL="Infomation.aspx" >
#"fJa:IYG7 <MenuGroup ID="BBC">
c"!lwm3b <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
^TB>.c@ `* <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
aCV4AyG ......
3?E8\^N\n jEXW 最好将你的aspnetmenu升级到1.2版
H UoyLy Hqh6:RuL 21.读取DataGrid控件TextBox值
fA48(0p foreach(DataGrid dgi in yourDataGrid.Items)
n]+W 3[i {
kj5Q\vr) TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
CXtU"X tb.Text....
w<9>Q1( }
<\zCpkZ'B >\ST-7[^L 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#
W: $N2SfyX7 〖思归〗
I|$
RJkD <asp:TemplateColumn HeaderText="数量">
U=sh[W <ItemTemplate>
clI*7j.4E# <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
^% Q|s#w. onkeyup="javascript:DoCal()"
V E2tq k% />
e$c?}3E!z ,a?\MM9$ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
{5*|C-WWtG </ItemTemplate>
m\/(w_/? </asp:TemplateColumn>
#sKWd
t4Z <asp:TemplateColumn HeaderText="单价">
B@Nt`ky0* <ItemTemplate>
!A8^Xmz" <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
:PbDU$x onkeyup="javascript:DoCal()"
Rd+P,PO />
xr(|* y'ja< 1I> <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
2WM\elnA y%]8'q$ </ItemTemplate>
=R*Gk4<Y </asp:TemplateColumn>
A{o 'z_zC 2}}?'PwwT <asp:TemplateColumn HeaderText="金额">
m8+(%>+7 <ItemTemplate>
R4%P:qM <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
RaSz>-3d </ItemTemplate>
M
ixwK, </asp:TemplateColumn><script language="javascript">
E&
36H function DoCal()
cd;NpN {
PBks`
|+ var e = event.srcElement;
@E`?<|B} var row = e.parentNode.parentNode;
[_y@M
] var txts = row.all.tags("INPUT");
47 u@4"M if (!txts.length || txts.length < 3)
Ccfwax+ return;
ZeasYSo4P Q"a2.9Eo var q = txts[txts.length-3].value;
%R0v5=2' var p = txts[txts.length-2].value;
cTZ)"^z! KiLvI,9y if (isNaN(q) || isNaN(p))
\9)[#Ld return;
juToO >', y q = parseInt(q);
4YbC(f p = parseFloat(p);
`!\ivIi^ SA6hbcYk txts[txts.length-1].value = (q * p).toFixed(2);
%|3e.1oX }
(0*v*kYdL+ </script>
Zcd7*EBdx "2n;3ByR [ET6(_=b ||TtNH 9+CFRYC 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。
%u]6KrG18b page_load
AvRcS]@= page.smartNavigation=true
{KaN,td9 +h[e0J|v{ 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 ?
xi {| private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
H$!-f>Rxa {
;cSGlE | for(int i=0;i<e.Item.Cells.Count-1;i++)
m% bE-# if(e.Item.ItemType==ListItemType.EditType)
Md(JIlh3 {
`ENP=kL(+ e.Item.Cells.Attributes.Add("Width", "80px")
m^$5K's& }
HY;oy( }
O.:I,D&] oXc/#{NC 26.对话框
<*@~n- R$ private static string ScriptBegin = "<script language=\"JavaScript\">";
4UCwT1 private static string ScriptEnd = "</script>";
]xq::a{Oy Tx+ p8J|Yr public static void ConfirmMessageBox(string PageTarget,string Content)
4]6 Qr {
A o3HX string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
D3?N<9g .)ST[G]WK ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
J/S{FxNe] _om[VKJd Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
KSOO?X0j ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
RWE~&w G} //Response.Write(strScript);
]V<"(?,K }
Xu]h$%W Qq0O0U 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
V<-htV ^g]xU1] * 1.1 取当前年月日时分秒
qz:]-A currentTime=System.DateTime.Now;
=h\E<dw vXubY@k2 1.2 取当前年
>ITEd int 年= DateTime.Now.Year;
4g!7
4a 56ZrCr 1.3 取当前月
G7Ny"{Z int 月= DateTime.Now.Month;
G;2[ R9=K(pOT 1.4 取当前日
)OUU]MUH int 日= DateTime.Now.Day;
;.0LRWcJ hNVMz`r 1.5 取当前时
QT_^M1% int 时= DateTime.Now.Hour;
N(7u],(Om CXa Ld7nMX 1.6 取当前分
'fl(N2t int 分= DateTime.Now.Minute;
\>;%Ji x:C@)CAr 1.7 取当前秒
|`v^ d| int 秒= DateTime.Now.Second;
C M^r|4K dgY5ccP 1.8 取当前毫秒
I9,8HtnA int 毫秒= DateTime.Now.Millisecond;
PHl4 vh#E! H` Lu"EK 28.自定义分页代码:
Cn/q= (-'PD_| 先定义变量 :
0/*X=5 public static int pageCount; //总页面数
n531rkK- public static int curPageIndex=1; //当前页面
'F<Sf:?.p lux9o$ % 下一页:
]wR6bEm7 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
mVHFT~x7} {
oo'iwq-\ DataGrid1.CurrentPageIndex += 1;
:^.u-bHI curPageIndex+=1;
R{ 4u|A?9 }
klo^K9! 5Ny0b|+p bind(); // DataGrid1数据绑定函数
>!<V\
Fj1 |/t K-c6J 上一页:
MKe *f% if(DataGrid1.CurrentPageIndex >0)
%27G 2^1 {
#e*$2+`[A DataGrid1.CurrentPageIndex += 1;
)Jmw|B curPageIndex-=1;
wb@]>MJ}[s }
5 5a@)>h {6DpPw^ " bind(); // DataGrid1数据绑定函数
vevx|<9, sbpu
qOL 直接页面跳转:
(s.o int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
$*wu~ y.%i if(a<DataGrid1.PageCount)
z[%[bs2{ {
B piEAwh this.DataGrid1.CurrentPageIndex=a;
nWd:>Ur }
~LSy7$rz `yy%<& bind();
\?[O,A 0;'j!`l9 29.DataGrid使用:
La@\q[U{@ n2H&t>N 添加删除确认:
vxF:vI# @ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
,CN#co {
|:{g?4Mi foreach(DataGridItem di in this.DataGrid1.Items)
Bc5YW-QD {
7ucx6J]c if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
8U8P
g2 {
5Gc_LI&v7 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
&`-_)~5] }
Ug%<b }
V,`!rJ }
?]759,Q3L q|?`Gsr 样式交替:
^f!Zr ListItemType itemType = e.Item.ItemType;
Cln^ 1N0 U;^CU!a if (itemType == ListItemType.Item )
{(8U8f<'=y {
xn0s`I[ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
.dy#n`eP e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
XL{{7%j }
h2im
sjf else if( itemType == ListItemType.AlternatingItem)
Zb12:? {
U]+b`m e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
W*1d
X"S e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
$1:}(nO, }
m
T>b; f$~ _FX 添加一个编号列:
o6`Y7,] DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
^Tb}]aHg DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
z_5rAlnwT. yBUZVqqDa for(int i=0;i<dt.Rows.Count;i++)
yaCd4KP {
WRN8#b dt.Rows["number"]=(i+1).ToString();
U^vUdM" }
(CKhY~,/u tuL\7
(R DataGrid1.DataSource=dt;
PEOM1oY)w DataGrid1.DataBind();
K|P9uHD G_4K+
-K DataGrid1中添加一个CheckBox,页面中添加一个全选框
~z-?rW private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
bn^mL~ {
A &X foreach(DataGridItem thisitem in DataGrid1.Items)
E7d~# {
r_qncy,F ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
Huc3|~9 }
(1saof*p% }
>x|A7iWn{, '7RR2f>V 将当前页面中DataGrid1显示的数据全部删除
Zpn*XG foreach(DataGridItem thisitem in DataGrid1.Items)
op.PS{_t {
:V5!C$QV if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Pl>nd)i` {
PU]7c2.y string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
{Oc?C:aI= Del (strloginid); //删除函数
S\yu%=h }
{y+v-v/# }
H`+]dXLB :JTRRv 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
A$H+4L /Gh
x2B 在Application_Start中添加以下代码:
n;S0fg Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
!DY2{Wb AppSettings["ConnStr"].ToString();
YKs^%GO+ (F4d Fh 31. 变量.ToString()
j:de}!wc <.?^LT 字符型转换 转为字符串
dcrJ,>i} 12345.ToString("n"); //生成 12,345.00
kcma/d 12345.ToString("C"); //生成 ¥12,345.00
(|ct`KU0# 12345.ToString("e"); //生成 1.234500e+004
^Xt]wl*]+ 12345.ToString("f4"); //生成 12345.0000
//'xR8Z 12345.ToString("x"); //生成 3039 (16进制)
V;[__w 12345.ToString("p"); //生成 1,234,500.00%
rH}Dt@ CwH)6uA 32、变量.Substring(参数1,参数2);
E``!-W VQG /g\ 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);
^~YmLI4 4/mj"PBKL 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)
$+)x)1 <SCRIPT language="javascript">
mXN1b! <!--
=w;xaxjL function gook(pws)
T^=Ee?e {
kHo;9j-U frm.submit();
4<eJ }
(-G(^Tn //-->
zM9) .D
H 8en#PH } </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
zvQ^f@lq2 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
!!D:V`F/d <tr>
m;tY(kO <td>
tKqCy\-q <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
vI:bl~ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
+_|cZlQ& <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
_
/28Cw Q+%m+ /Zq <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
v,x%^gv 0 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
M@LaD 5 :xUl+(+ </td>
3K'o&>}L hz~CW-47 </tr>
,*}g
r 1o"oa<*_ </form>
/xm} ?t0U ?D$b%G{ 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。
L!}j3(I ]@<3 6ByM 下面是获取用户输入的登陆信息的代码:
tU~H@' string name;
{]_{BcK+ name=Request.QueryString["EmailName"];
(Ss77~W7 |~"A:gf try
bEXHB {
Jv{"R!e"P int a=name.IndexOf("@",0,name.Length);
Xy8ie:D f_user.Value=name.Substring(0,a);
XGup,7e9 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
m=y,_Pz>U f_pass.Value=Request.QueryString["Psw"];
!&:W1Jkp( }
,tv9+n@x L4A/7Ep catch
02c.;ka3 {
'hHX"\|RA Script.Alert("错误的邮箱!");
kFZu/HRI Server.Transfer("index.aspx");
+nyN+X34B }