1. 打开新的窗口并传送参数:
nAlQ7' KoT%Mfu 传送参数:
.8JTe0 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
5\VWC I X 0+vXz{~g 接收参数:
DkDmE string a = Request.QueryString("id");
BnF^u5kv % string b = Request.QueryString("id1");
j^RmrOg, dioGAai' 2.为按钮添加对话框
O*P.]d Button1.Attributes.Add("onclick","return confirm(’确认?’)");
=>~:<X., button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
gL/9/b4 E}Uc7G 3.删除表格选定记录
44j*KsBf int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
/PXzwP_(A string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
2&J)dtqz ^E>3|du]O 4.删除表格记录警告
5~DJWi, private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
deh*Ib:(S {
KLk~Y0$:v switch(e.Item.ItemType)
nQ3A~ () {
l,aay-E case ListItemType.Item :
aw&,S"A@ case ListItemType.AlternatingItem :
+R75v ) case ListItemType.EditItem:
FW DNpr TableCell myTableCell;
<(#ej4ar, myTableCell = e.Item.Cells[14];
y$M%2mh` LinkButton myDeleteButton ;
@_{=V0 myDeleteButton = (LinkButton)myTableCell.Controls[0];
vtJJ#8a]
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
lPAQ3t!, break;
%E;'ln4h&, default:
sV*H`N')S break;
A^S gI-y| }
@IZnFHN u9p$YJ }
>^{yF~( 7_[L o4_ 5.点击表格行链接另一页
~)M~EX&pK private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
dqcL]e {
8H`[*|{' //点击表格打开
MiX 43Pk] if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
5#z1bu e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
M
D#jj3y }
0b 54fD= :Llb< MY2 双击表格连接到另一页
0PCGDLk8 uHNCS zH( 在itemDataBind事件中
tO&^>&;5 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
DVeE1Q {
PZzMHK?hP string OrderItemID =e.item.cells[1].Text;
?\n>
AC ...
y>ktcuML e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
MpOc }
5IpDeJ$ ?&uu[y 双击表格打开新一页
NX&_p!_V if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
qcRs$-J {
Ws12b$ string OrderItemID =e.item.cells[1].Text;
(w zQ2Dk ...
{\\Tgs e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
og>uj>H& }
CNx8]
_2 4{Z)8;QX ★特别注意:【?id=】 处不能为 【?id =】
Fs^Mw
go 6.表格超连接列传递参数
Y\hBd$lQ~ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
$NO&YLS@ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
q0\6F^;M ]JR +ayk7 7.表格点击改变颜色
:2)/FPL6 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
o<!?7g{ {
`qwBn= e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
~bpgSP" this.style.color=’buttontext’;this.style.cursor=’default’;");
lUMdrt0@z }
\.}c9*) hFBe,'3M 写在DataGrid的_ItemDataBound里
"J3x_~,[4m if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
>`D:-huNeE {
]J]h#ZHx e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
kAGBdaJ" this.style.color=’buttontext’;this.style.cursor=’default’;");
r,2g^K)6 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
S0W||#Pr }
h
zn6kbv Yu`~U,m Mrb) 8.关于日期格式
l}M!8:UzU ygl0k \ 日期格式设定
]
@fk] ]R DataFormatString="{0:yyyy-MM-dd}"
={Qi0Pvt Y\'}a+:@Ph 我觉得应该在itembound事件中
?|Zx!z ($ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
g<
.qUBPKX P{^6v=8) 9.获取错误信息并到指定页面
DLNbo2C IV)j1 不要使用Response.Redirect,而应该使用Server.Transfer
kB%JNMF{A }\k"n{!" e.g
iO;
7t@]- // in global.asax
@pU)_d!pJ protected void Application_Error(Object sender, EventArgs e) {
o2\8OxcA if (Server.GetLastError() is HttpUnhandledException)
)whA<lC Server.Transfer("MyErrorPage.aspx");
E8&TO~"a]e >b4eL59 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
b>JDH1) }
NQ2E S>1Iky|
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
7Hu3>4< K",N!koj 10.清空Cookie
jrh43
\$* Cookie.Expires=[DateTime];
JqiP>4Uwm^ Response.Cookies("UserName").Expires = 0
=odFmF Xla~Yg 11.自定义异常处理
_:27]K: //自定义异常处理类
0{ R=9wcc using System;
H<N,%G using System.Diagnostics;
b;UJ 88 $E.I84UfX namespace MyAppException
I,8Er2;) {
?6Y?a2 | /// <summary>
\)|hogI|f /// 从系统异常类ApplicationException继承的应用程序异常处理类。
|$b}L7_ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
#;nYg?d= /// </summary>
@;RXLq/8 public class AppException:System.ApplicationException
CeC6hGR5 {
~$?ZK]YOrx public AppException()
ea')$gR {
7Jho}5J if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
tZG:Pr1U@ }
ySDH"|0 <e</m)j public AppException(string message)
TWFr
4- {
FJP-y5 LogEvent(message);
,\%c^,HLJ }
[HZv8HU| &KRX[2 public AppException(string message,Exception innerException)
c\ l kD-\ {
9;-p'C LogEvent(message);
#4 pB@_ if (innerException != null)
>I&5j/&}+ {
JnM["Q=` LogEvent(innerException.Message);
H~1jY4E }
Z>5b;8 }
q5)O%l ! ;@|n @ax //日志记录类
N5b!.B x-w using System;
iqQD{SRt{ using System.Configuration;
?2Py_gkf using System.Diagnostics;
L0WN\|D using System.IO;
a HR"n|7{ using System.Text;
dVT$ VQg using System.Threading;
I(BQ34q ]|PiF+ namespace MyEventLog
1NA.nw. {
ZRU{[4 /// <summary>
LuvY<~u /// 事件日志记录类,提供事件日志记录支持
ZeaA%y67U /// <remarks>
*mvlb
(' & /// 定义了4个日志记录方法 (error, warning, info, trace)
8>in_h9 /// </remarks>
[j/9neaye /// </summary>
z/@slT public class ApplicationLog
A@{PZ {
57 /// <summary>
jkF^-Up. /// 将错误信息记录到Win2000/NT事件日志中
}l} Bo.C /// <param name="message">需要记录的文本信息</param>
Iom'Y@x /// </summary>
nazZ*lC public static void WriteError(String message)
PmEsN&YP] {
O`t&ldU WriteLog(TraceLevel.Error, message);
,w:U#r~s" }
XW)lDiJl <
!C)x /// <summary>
Pw`8Wj /// 将警告信息记录到Win2000/NT事件日志中
?Z[[2\DR /// <param name="message">需要记录的文本信息</param>
ytJ/g/,A0i /// </summary>
q\4Xs$APq public static void WriteWarning(String message)
TpwkD_fg {
jZkcBIK2 WriteLog(TraceLevel.Warning, message);
1FL~ndJs }
2*l/3VW l'E*=Rn /// <summary>
%axh`xK# /// 将提示信息记录到Win2000/NT事件日志中
5 ,B_u%bb /// <param name="message">需要记录的文本信息</param>
CXx*_@}MU /// </summary>
o&)8o5 public static void WriteInfo(String message)
ep)n_!$OH" {
2,b(,3{`4: WriteLog(TraceLevel.Info, message);
DGn;m\B }
pG^ /// <summary>
@&3EJ1 /// 将跟踪信息记录到Win2000/NT事件日志中
qUW!
G&R /// <param name="message">需要记录的文本信息</param>
b;W3j /// </summary>
Ru!iR#s)! public static void WriteTrace(String message)
7p16Hv7y~ {
J~zUp(>K WriteLog(TraceLevel.Verbose, message);
c&?m>2^6 }
qHplJ " Y^;ovH~ ve /// <summary>
l\!fj# /// 格式化记录到事件日志的文本信息格式
17[3/m8a /// <param name="ex">需要格式化的异常对象</param>
RYQR(v /// <param name="catchInfo">异常信息标题字符串.</param>
=9boya,> /// <retvalue>
.B]MpmpK /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
i$:*Pb3mV /// </retvalue>
*K6g\f]b # /// </summary>
[P=Jw:E public static String FormatException(Exception ex, String catchInfo)
ll<Xz((o {
oWim}Er= StringBuilder strBuilder = new StringBuilder();
mAj?>;R2$2 if (catchInfo != String.Empty)
V6&!9b {
.
y-D16V strBuilder.Append(catchInfo).Append("\r\n");
\K{0L }
D9CaFu strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
u~M
q* return strBuilder.ToString();
u<6<iD3y }
['X]R:3h +,TRfP
Fb /// <summary>
8>2.UrC /// 实际事件日志写入方法
(
iBl /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
<CYd+! ( /// <param name="messageText">要记录的文本.</param>
\:# L) /// </summary>
@; zl private static void WriteLog(TraceLevel level, String messageText)
[fya)} {
yYIf5S`V] try
dUeN*Nq&(, {
R[h9"0Y^ EventLogEntryType LogEntryType;
N=T<_`$5 switch (level)
t9k zw*U9 {
7u -p%eq2 case TraceLevel.Error:
(Ft+uuG LogEntryType = EventLogEntryType.Error;
Zw
26 break;
n71r_S* case TraceLevel.Warning:
?K$(817 LogEntryType = EventLogEntryType.Warning;
=t#llgi~ break;
I+%[d^, case TraceLevel.Info:
&=@IzmA LogEntryType = EventLogEntryType.Information;
5Md=-,'J! break;
ExY] Sdx case TraceLevel.Verbose:
0rQMLx LogEntryType = EventLogEntryType.SuccessAudit;
>a!/QMh break;
>Eyt17_H"n default:
|sJ[0z LogEntryType = EventLogEntryType.SuccessAudit;
VZp5)-!\ break;
''A_[J `> }
X[-xowE- s[RAHU EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
4M=]wR; //写入事件日志
(R[[Z,>w. eventLog.WriteEntry(messageText, LogEntryType);
|{z:IQLv /QK6Rac- }
Q,,e+exbb5 catch {} //忽略任何异常
bQzZy5, }
}kw#7m54 } //class ApplicationLog
DTX0 }
/ H[=5 fbyd"(V8r 12.Panel 横向滚动,纵向自动扩展
oM
X <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
N~nziY*C,* $g^@AdE% 13.回车转换成Tab
Z\(q@3 C <script language="javascript" for="document" event="onkeydown">
AmUr.ofu if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
[$ubNk;!z event.keyCode=9;
@f_Lp%K </script>
$H2u.U<ip 3p$?,0ELH onkeydown="if(event.keyCode==13) event.keyCode=9"
0.Q
Ujw pN,u`[ 14.DataGrid超级连接列
G~]Uk*M
q DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
:;v~%e{k Ucb F|vkI 15.DataGrid行随鼠标变色
1>.Ev,X+e private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
DcS+_>a\{l {
_f7 9wx\B if (e.Item.ItemType!=ListItemType.Header)
"-Mp_O] {
w$>u b@= e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
a)!o @ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
xEa\f[.An }
$o!zUH~'v }
kx8G 1wii8B6 16.模板列
B4ZBq%Z_ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
i[i4h"$0 <ITEMTEMPLATE>
M^A48u{," <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
C;v.S5x </ITEMTEMPLATE>
y1z4ik)Sd@ </ASP:TEMPLATECOLUMN>
1l9G[o
* UklUw <ASP:TEMPLATECOLUMN headertext="选中">
l#&8x <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
>:SHV W <ITEMTEMPLATE>
Q(G#W+r <ASP:CHECKBOX id="chkExport" runat="server" />
>k|5Okq g </ITEMTEMPLATE>
L]7=?vN=8 <EDITITEMTEMPLATE>
)w em|:H <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
=&6eM2>P </EDITITEMTEMPLATE>
Z<oaK </ASP:TEMPLATECOLUMN>
1> ?M>vK 5; C| 后台代码
bt SRtf protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
G+9,,`2 {
qyb?49I //改变列的选定,实现全选或全不选。
%64)(z CheckBox chkExport ;
v4<nI;Ux if( CheckAll.Checked)
3l]lwV {
&/Z
/Y ] foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
BX/8O<s0 {
NCXRevE chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
85= )lu
chkExport.Checked = true;
!"AvY y9 }
F-Qzrqu S }
8bGd} ( else
E*&vy {
BkAm/R foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
m[osg< CR_ {
>-?f0K chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
5PCqYN(:B chkExport.Checked = false;
L<c4kw }
j a[Et/r }
r wL`Czs }
K`eCDvlH ';Ea?ID 17.数字格式化
n6=By|jRh $QF{iV@6d4 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Rr$-tYy6 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
`cn#B
BV H H)!_(SA int i=123456;
&3>)qul string s=i.ToString("###,###.00");
;]puq 'c&Ed 18.日期格式化
*U- 4Sy UXz<)RvB 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Tb}4wLu M7\szv\Zc= 显示为: 2004-8-11 19:44:28
A|[?#S((] FZQP%]FX 我只想要:2004-8-11 】
G>_*djUf <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
lBE=(A`
eIF5ZPSZi 应该如何改?
%`r$g[<G tFn)aa~L 【格式化日期】
JG.y,<xW +^ac'Y)A 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
A 'be8 Q} JOU 【日期的验证表达式】
m 0C@G5 /62!cp/F/D A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
!n!*/[}X ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
s[*rzoA ODN/G%l B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
2qNt,;DQ ^\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]))$
MY)O^I X$ rKc9b<Ir 【大小写转换】
FGJ1dBLr HttpUtility.HtmlEncode(string);
0auYG><= HttpUtility.HtmlDecode(string)
By,eETU] aKDKmHd 19.如何设定全局变量
pF >i-i {WS;dX4 Global.asax中
rXq.DvQ ?R
'r4P, Application_Start()事件中
7z,C}-q nW:C/{n2tG 添加Application[属性名] = xxx;
kH1~k,|\&K aO[w/cGQ 就是你的全局变量
Lb-OsKU ?UR0:f:}oc 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
$wa{~' S13nL^=i HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
6|=f$a $HzBD.CF|x 【ASPNETMENU】点击菜单项弹出新窗口
RP|`HkP-2 {YC@T(
在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
Ix}sK"}[n <?xml version="1.0" encoding="GB2312"?>
>R_&Ouh: <MenuData ImagesBaseURL="images/">
_LnpnL: <MenuGroup>
XT*sGM <MenuItem Label="内参信息" URL="Infomation.aspx" >
(9d & <MenuGroup ID="BBC">
o-HT1Hc! <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
8,%^
M9zBP <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
;(%QD
3 > ......
5tkAFb4P >=>2m2z= 最好将你的aspnetmenu升级到1.2版
_[3D "sCRdx]_ 21.读取DataGrid控件TextBox值
Qv-_ jZ foreach(DataGrid dgi in yourDataGrid.Items)
_VN?#J)o {
]6`% TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
!.gIHY tb.Text....
p
l0\2e) }
+'a^f5 d0ksG$ 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?
GxxW&y 2zb"MEOS5 〖思归〗
fr3d <asp:TemplateColumn HeaderText="数量">
kevrsV]/$ <ItemTemplate>
7$=InK <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
?`ZUR&
20 onkeyup="javascript:DoCal()"
aFYIM`?( />
X"Swi&4 yf+)6D -9n <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
abj Q)=u </ItemTemplate>
4[eXe$ </asp:TemplateColumn>
z:*|a+cy ?tbrbkx <asp:TemplateColumn HeaderText="单价">
fZF@k5*\ <ItemTemplate>
.q>iXE_c <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
bAMdI 5Zk? onkeyup="javascript:DoCal()"
L0o\J` : />
.k !{* (<9u-HF# <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
4hj|cCrO 4pvMd </ItemTemplate>
0=YI@@n) </asp:TemplateColumn>
fJg+ Ryo n[rCQdM&U" <asp:TemplateColumn HeaderText="金额">
]f_p8?j" <ItemTemplate>
~xFkU# <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
W=?<<dVYD </ItemTemplate>
z24q3 3O </asp:TemplateColumn><script language="javascript">
6gDN`e,@ function DoCal()
z$sT !QL~ {
:2`e(+Uz var e = event.srcElement;
8s@3hXD& var row = e.parentNode.parentNode;
nw<uyaU-t var txts = row.all.tags("INPUT");
xmoxZW: if (!txts.length || txts.length < 3)
+}AI@+
return;
]SEZaT Ewz!O` var q = txts[txts.length-3].value;
<P<z N~i9j var p = txts[txts.length-2].value;
c+ie8Q! h";L if (isNaN(q) || isNaN(p))
DlJo^|5 return;
{!`6zBsP lOp`m8_= q = parseInt(q);
Fr-SvsNFB p = parseFloat(p);
p#tI;"\y zt%Mx>V@ txts[txts.length-1].value = (q * p).toFixed(2);
pgo$61 }
1Y,Z
%d </script>
:4|4 =mkr ~TtiO#,t rm_Nn8p, 7zc^!LrW< iy"*5<;*DD 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
`D9$v(Ztr page_load
O/LXdz0B page.smartNavigation=true
<VE@DBWyl~ :Dp0?&_ 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 ?
v@pky0 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
lhJ'bYI {
Y);=TM6s for(int i=0;i<e.Item.Cells.Count-1;i++)
AZ<=o if(e.Item.ItemType==ListItemType.EditType)
H?w6C):] {
pCG}ZKa e.Item.Cells.Attributes.Add("Width", "80px")
D_MmW }
A}!J$V:w] }
HOi`$vX}N Wn6Sn{8W{ 26.对话框
ry]l.@o; private static string ScriptBegin = "<script language=\"JavaScript\">";
xD 7]C|8o private static string ScriptEnd = "</script>";
kx CSs7J/ JGZBL{8 public static void ConfirmMessageBox(string PageTarget,string Content)
8EYkQ {
@F>D+=hS string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
i~72bMwsA XP}<N&j ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
kGJC\{N5N
b2*TgnRq Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
`@%LzeGz ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
kf9X$d6 //Response.Write(strScript);
+ai<
q>+ }
I 6O d 'ifLQ\ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
=lSNs 4z)]@:`}z 1.1 取当前年月日时分秒
a.Vuu)+Quw currentTime=System.DateTime.Now;
<naz+QK' X{VOAcugr 1.2 取当前年
,u m|1dh int 年= DateTime.Now.Year;
lRQYpc\ V6Dbd"
i9 1.3 取当前月
$Q0n int 月= DateTime.Now.Month;
]'S^] t,'<gI 1.4 取当前日
=M-p/uB] int 日= DateTime.Now.Day;
s^SJY{ =H~j,K 1.5 取当前时
N g,j# int 时= DateTime.Now.Hour;
5dg(e3T adw2x pj 1.6 取当前分
{Ha57Wk8D int 分= DateTime.Now.Minute;
Pc9H0\+Xk @PU [:; 1.7 取当前秒
ntY]SK%Z int 秒= DateTime.Now.Second;
_4f;<FL v>56~AJ 1.8 取当前毫秒
Debv4Gr;^ int 毫秒= DateTime.Now.Millisecond;
3CJwj _G0x3 28.自定义分页代码:
DI%saw [
3HfQ 先定义变量 :
8_F1AU? u public static int pageCount; //总页面数
@8
6f public static int curPageIndex=1; //当前页面
3sk9`=[{$ n*$ g]G$ 下一页:
'Vbi VLWD if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
UI#h&j5pW {
=#\:}@J5I DataGrid1.CurrentPageIndex += 1;
Q20%"&Xp] curPageIndex+=1;
_j3f Ar(V }
626r^c= |^aKs#va bind(); // DataGrid1数据绑定函数
#*}+J3/ 4Up/p&1@ 上一页:
Jb(H %NJ if(DataGrid1.CurrentPageIndex >0)
PM+[,H {
<qSC#[xu DataGrid1.CurrentPageIndex += 1;
]oxZ77ciL curPageIndex-=1;
0mnw{fE8_ }
JO;Uus{? (?c-iKGc bind(); // DataGrid1数据绑定函数
P'2Qen* 6-I'>\U~ 直接页面跳转:
+H.`MZ= int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
;]iRk liZxBs
:%i if(a<DataGrid1.PageCount)
J1vR5wbu {
g*Phv|kI this.DataGrid1.CurrentPageIndex=a;
B6"0OIDY" }
`gJ(0#ac ?`#Khff? bind();
nEfK53i_ [ }:$yg 29.DataGrid使用:
]yu:i-SfP d1*<Ll9K 添加删除确认:
nNm`Hfi private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
qLCR] _* {
DqPw#<"H foreach(DataGridItem di in this.DataGrid1.Items)
u!s2BC0}N {
.6> w'F{> if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
%C0Dw\A*: {
D@KlOU{< ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
E@\e$?*X }
5s XXM }
lFkR=!?= }
s*4dxnS_8 <$YlH@;)`a 样式交替:
u?"Vm ListItemType itemType = e.Item.ItemType;
6LZCgdS{ -/4P3SG/ if (itemType == ListItemType.Item )
8(De^H lO {
~~.}ah/_d e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
xG 1nGO e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
YR70BOxK }
Om<a<q else if( itemType == ListItemType.AlternatingItem)
"7
yD0T)2 {
d5b%
W3 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
QPx^_jA e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
N+|d3X! }
0J|3kY-n> /1 dT+> 添加一个编号列:
#Y!a6h+ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
("@!>|H DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
Mt$
*a x^ni1=kU for(int i=0;i<dt.Rows.Count;i++)
V9vTsmo( {
\['Cj*e k dt.Rows["number"]=(i+1).ToString();
U:`Kss` }
GyIV
Hby =l6mL+C DataGrid1.DataSource=dt;
f3;5Am DataGrid1.DataBind();
#WuBL_nZ~ 3]>| i DataGrid1中添加一个CheckBox,页面中添加一个全选框
>z03{=sAN private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
sK{e*[I>W {
'F<TSy|4kI foreach(DataGridItem thisitem in DataGrid1.Items)
XSDpRo {
uH]OEz\H' ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
!VJoM,b8 }
ixFi{_ }
m*pJBZxd 6<]lW 将当前页面中DataGrid1显示的数据全部删除
M+>u/fldV foreach(DataGridItem thisitem in DataGrid1.Items)
S!UaH>Rh {
&&+H+{_Q if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
)UR7i8]!0 {
x4 yR8n( string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
&HW9Jn Del (strloginid); //删除函数
tc! #wd+u }
WLT"ji0w2 }
'NmRR]Q9 Oz95 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)
NOva'qk UVP vOtZj 在Application_Start中添加以下代码:
29KiuP Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
[~HN<>L@C AppSettings["ConnStr"].ToString();
<YY 14p DUS6SO 31. 变量.ToString()
! mHO$bQ" (HVGlw'` 字符型转换 转为字符串
.]^?<bG 12345.ToString("n"); //生成 12,345.00
G[=c
Ss, 12345.ToString("C"); //生成 ¥12,345.00
b=vkiO`2 12345.ToString("e"); //生成 1.234500e+004
C]6O!Pb0 12345.ToString("f4"); //生成 12345.0000
CTb%(<r 12345.ToString("x"); //生成 3039 (16进制)
aUp
g u" 12345.ToString("p"); //生成 1,234,500.00%
w:0E(z @dKTx#gZ 32、变量.Substring(参数1,参数2);
+>,I1{u%& 7dWS 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
wMn
i j%kncGS 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
TOt dUO <SCRIPT language="javascript">
ZVBXx\{s <!--
2G7Wi!J function gook(pws)
>Tgv11[ {
<I?Zk80 frm.submit();
<E~'.p, }
dV_G1' //-->
e6*8K@LHB kVgTGC"L= </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
fhiM U8(& <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
1}x%%RD_ <tr>
afVT~Sf{ <td>
+7Gwg <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
-w2/w@& <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
K-v#.e4 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
pi(m7Ci" Lbgi7|& <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
p K*TE5] <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
dO'(2J8 5m@V#2^P </td>
oH@78D0A #a#F,ZT </tr>
O-wzz sJZiI}Xc </form>
,tFg4k[ 5BIY<B+i 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
dtDFoETz '1[Ft03 下面是获取用户输入的登陆信息的代码:
=;L|gtH" string name;
\z$= K name=Request.QueryString["EmailName"];
)%TmAaj9d mH(:?_KrS- try
}MySaL> {
?ub35NLa int a=name.IndexOf("@",0,name.Length);
Pz7XAcPQ( f_user.Value=name.Substring(0,a);
kh<2BOV f_domain.Value=name.Substring(a+1,name.Length-(a+1));
:jf3HG f_pass.Value=Request.QueryString["Psw"];
" bG2: }
G@0&8 +@UV?"d catch
btB%[] {
:RYTL'hes Script.Alert("错误的邮箱!");
7<4qQ.deE Server.Transfer("index.aspx");
crCJrN= }