1. 打开新的窗口并传送参数:
~K"nm {. "C?H:8W 传送参数:
eD7qc1*G response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
MGY0^6yK5 i! gS]?*DH 接收参数:
5vJxhBm/ string a = Request.QueryString("id");
HiBI0)N} string b = Request.QueryString("id1");
i.\ e/9]f iB` EJftI! 2.为按钮添加对话框
Mmg~Fn Button1.Attributes.Add("onclick","return confirm(’确认?’)");
i[:cG button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
#\_8y`{x ]LEaoOecu 3.删除表格选定记录
z#1"0Ks&P int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
20}w.V string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
sPXjU5uq# }9&dY!h + 4.删除表格记录警告
nxNHf3
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
1}Y3|QxF {
%0 i)l| switch(e.Item.ItemType)
/4@
[^}x {
D$@2H>.- case ListItemType.Item :
D c;k)z= case ListItemType.AlternatingItem :
.(3ec/i4CF case ListItemType.EditItem:
4c[/%e:\- TableCell myTableCell;
Y6Ux*vhK myTableCell = e.Item.Cells[14];
{e q378d LinkButton myDeleteButton ;
CD%Cb53 myDeleteButton = (LinkButton)myTableCell.Controls[0];
XMdCQ= myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
[A~ Hl break;
dMCoN8W default:
bwj{5-FU break;
0a bQY }
t=9f:,I$ w)B?j }
{&UA60~6 Hp>L}5 y[ 5.点击表格行链接另一页
`- (<Q;iO private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
WIuYSt)h {
o\]U;#YD //点击表格打开
]^T-X/v9 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
43]y]/do e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
v5@M 34 }
b%vIaP|]B Sc/$2gSG 双击表格连接到另一页
*")*w> R A=IpP}7J 在itemDataBind事件中
*C<;yPVc if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
>o O]S]W {
>\w]i*% string OrderItemID =e.item.cells[1].Text;
vB}c6A4'U ...
r7L.W e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
1z-A3a/- }
^9]iUx jM
@N<k 双击表格打开新一页
0{ ~2mgg h if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
C ocw%Yl {
VBw5[ string OrderItemID =e.item.cells[1].Text;
t
7o4 aBl" ...
ZO/u3&gU e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
e([>sAx!1 }
([}08OW@ 9[;da ★特别注意:【?id=】 处不能为 【?id =】
zBu@a:E%H 6.表格超连接列传递参数
9t6c*|60#n <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
9x|`XAB <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
C#^y{q m C`*#[ 7.表格点击改变颜色
Y;%LwDC if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
)Jdku}Pf {
\$*CXjh3G e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
w;j<$<4=7 this.style.color=’buttontext’;this.style.cursor=’default’;");
>TY;l3ew }
_U-`/r o 0y+^{@lU 写在DataGrid的_ItemDataBound里
@!u{>!~0 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
+L`}(yLJ)9 {
GqR|hg e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
sZT~5c8 this.style.color=’buttontext’;this.style.cursor=’default’;");
yNowhh e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Z"%. }
euVDrJ^ 2[HPU M2> GK!@|Kk8q7 8.关于日期格式
6<$.Z-, oBo*<6 日期格式设定
{it}\[3 DataFormatString="{0:yyyy-MM-dd}"
p:5NMo A[ncwJ 我觉得应该在itembound事件中
jC4>%!{m e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
lwrh4<~\,* [DH4iG5 9.获取错误信息并到指定页面
$
P5K 6]~/`6Dub 不要使用Response.Redirect,而应该使用Server.Transfer
\Ta5c31S+ PJ0~ymE1~G e.g
]% HxzJ // in global.asax
q,O_y<uw protected void Application_Error(Object sender, EventArgs e) {
4\u`MR if (Server.GetLastError() is HttpUnhandledException)
yxHo0U Server.Transfer("MyErrorPage.aspx");
,?er AI -grmmE]/ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
#dL,d6a }
&1yJrj9y 0NGth(2 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
z k/`Uz 6QCVi 10.清空Cookie
W"\}## Cookie.Expires=[DateTime];
J8p; 1-C" Response.Cookies("UserName").Expires = 0
n]`]gLF\i #IvKI+" 11.自定义异常处理
a1y<Y`SC9 //自定义异常处理类
'ia-h7QWS using System;
3qf#NJN} using System.Diagnostics;
I9qFXvqL -^2p@^ namespace MyAppException
3*~`z9-z {
SsTBjIX /// <summary>
v_EgY2l( /// 从系统异常类ApplicationException继承的应用程序异常处理类。
IDT\hTPIs /// 自动将异常内容记录到Windows NT/2000的应用程序日志
?'+]d;UO& /// </summary>
cZ|*Zpk public class AppException:System.ApplicationException
D]fuX|f~ul {
v:QUwW public AppException()
)'T].kWW {
''@Tke3IG6 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
T` h%=u|D }
PdqvXc ?Y3i-jY public AppException(string message)
Zf3(!
a[ {
VsL,t\67 LogEvent(message);
G\dPGPPM
}
L?+N:G
g;'S5w9S public AppException(string message,Exception innerException)
H=C~h\me? {
#o/;du LogEvent(message);
.1RQ}Ro,< if (innerException != null)
hdx_Tduue {
9 da=q LogEvent(innerException.Message);
/y{:N }
m(U.BXo }
tj~r>SRb+ A;Y~Hu4KPZ //日志记录类
0*b8?e using System;
,HTwEq>-G using System.Configuration;
kD )31P using System.Diagnostics;
b4cTn 6 using System.IO;
pI-Qq%Nwt using System.Text;
U1y!R<qlp using System.Threading;
v1~l=^4& J FnE{ namespace MyEventLog
ocWl]h]. {
a<q9~QS /// <summary>
>IrQhSF
/// 事件日志记录类,提供事件日志记录支持
7;q0'_G /// <remarks>
@y7KP$t /// 定义了4个日志记录方法 (error, warning, info, trace)
Ft11?D
B /// </remarks>
0.x+ H9z /// </summary>
e8("G[P> public class ApplicationLog
Z,2?TT|p {
@[9 /// <summary>
'RKpMdoz /// 将错误信息记录到Win2000/NT事件日志中
8(Te^] v# /// <param name="message">需要记录的文本信息</param>
xaVX@ 3r.3 /// </summary>
Kt*fQ
`9 public static void WriteError(String message)
3]?='Qq.( {
Ebs]]a>PO WriteLog(TraceLevel.Error, message);
01-rBto$ }
h<3b+*wYJC Nmz5:Rq /// <summary>
x}K|\KXy /// 将警告信息记录到Win2000/NT事件日志中
,+`r2}N
\/ /// <param name="message">需要记录的文本信息</param>
1?H;
c5?d& /// </summary>
gU+yqT7= public static void WriteWarning(String message)
w/o^OjwQ {
|Jd8ul:&e WriteLog(TraceLevel.Warning, message);
Y+Z+Y)K }
aSIb0`(3 `oikSx$vB. /// <summary>
=t-Ud^3 /// 将提示信息记录到Win2000/NT事件日志中
W`9{RZ' /// <param name="message">需要记录的文本信息</param>
7QTS@o- /// </summary>
mz.,j(Ks- public static void WriteInfo(String message)
m<3. X"- {
I\6C0x WriteLog(TraceLevel.Info, message);
%/w-.?bX }
w:%NEa,Z /// <summary>
eC"e
v5v /// 将跟踪信息记录到Win2000/NT事件日志中
O713'i /// <param name="message">需要记录的文本信息</param>
,jC~U s< /// </summary>
m}?jU public static void WriteTrace(String message)
#Y7iJPO {
];Noe9o WriteLog(TraceLevel.Verbose, message);
YT!iI }
@-S7)h>~ 153*b^iDBh /// <summary>
18%$Z$K, /// 格式化记录到事件日志的文本信息格式
A,EG0yb /// <param name="ex">需要格式化的异常对象</param>
8Gy]nD /// <param name="catchInfo">异常信息标题字符串.</param>
2EpQ(G
J /// <retvalue>
,)xtl`fc /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
Ne|CWUhO /// </retvalue>
[DjlkA/Zg /// </summary>
h\@X!Z, public static String FormatException(Exception ex, String catchInfo)
3lWGa7<4Z {
u3 LoP_| StringBuilder strBuilder = new StringBuilder();
}GURq# if (catchInfo != String.Empty)
<Rw2F?S~)n {
kYkA^Aq strBuilder.Append(catchInfo).Append("\r\n");
$m5Iv_ }
N<<wg{QO strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
#@BhGB`9Qt return strBuilder.ToString();
yxu7YGp% }
]SA/KV +0[H`5-^ /// <summary>
!1R?3rVQS /// 实际事件日志写入方法
/1/'zF&R- /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
G2wSd'n*y /// <param name="messageText">要记录的文本.</param>
@*xP A /// </summary>
t&43)TPb. private static void WriteLog(TraceLevel level, String messageText)
U`~L}w" {
RjUrpS[I try
h~sTi {
^^ix4[1$Z EventLogEntryType LogEntryType;
J#wf`VR% switch (level)
bz nMD {
9s5s;ntz" case TraceLevel.Error:
ck
`td% LogEntryType = EventLogEntryType.Error;
SbUac< break;
sqhIKw@ case TraceLevel.Warning:
63\
CE_p LogEntryType = EventLogEntryType.Warning;
3+'vNc break;
Bj6%mI42hl case TraceLevel.Info:
z [[qrR LogEntryType = EventLogEntryType.Information;
aj1g9y break;
<e
9d5-2 case TraceLevel.Verbose:
)!AH0p LogEntryType = EventLogEntryType.SuccessAudit;
lQ^"-zO4 break;
*N
~'0"# default:
~u0<c:C^ LogEntryType = EventLogEntryType.SuccessAudit;
/<T{g0s break;
w]xr
~D+ }
gA EB w$&;s<0 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Es}`SIe/ //写入事件日志
H'$H@Kn]- eventLog.WriteEntry(messageText, LogEntryType);
:##$-K*W" y]R+/ }
vD#kH1 catch {} //忽略任何异常
voRb>xF }
=YO<.(Lu } //class ApplicationLog
NoF|j57?u' }
(g[WZB3x %8DI)n#H 12.Panel 横向滚动,纵向自动扩展
jpYZ)
So- <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
l2M( _Ad63.Uq)) 13.回车转换成Tab
mDA+
.l&)b <script language="javascript" for="document" event="onkeydown">
M7Xn=jc if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
%b_0l<+
event.keyCode=9;
2H8\P+ </script>
cna%;f. M).CyY;bm onkeydown="if(event.keyCode==13) event.keyCode=9"
Yevd h< 8.wtv5eZ 14.DataGrid超级连接列
4!ZT_q DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
h~%8p
] iSOyp\E| 15.DataGrid行随鼠标变色
Xep2)3k> private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
_'y`hKeI[ {
4,YL15. if (e.Item.ItemType!=ListItemType.Header)
R $dNdd9m {
*e:I*L e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Fku<|1}&y e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
7N OF^/nU }
WCqa[=v)t }
_ A{F2M <7Yh<(R e^ 16.模板列
keQRS+9 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
t<}N>%ZO <ITEMTEMPLATE>
-+2A@kmEJ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
4%<wxrod </ITEMTEMPLATE>
G[`2Nd< </ASP:TEMPLATECOLUMN>
PD^ 6Ywn>s eq"Xwq* <ASP:TEMPLATECOLUMN headertext="选中">
vqoK9 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
8ZjRMr} <ITEMTEMPLATE>
}{PG^ Fc<P <ASP:CHECKBOX id="chkExport" runat="server" />
icVB?M,m </ITEMTEMPLATE>
>bmdu\j5R <EDITITEMTEMPLATE>
3,hu3"@k <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
]M "U 'Z </EDITITEMTEMPLATE>
^HuB40 </ASP:TEMPLATECOLUMN>
KT(v'KE 1 w4Hq|N1-Y 后台代码
:T@} CJ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
)Xt#coagS {
N3KI6p6 \ //改变列的选定,实现全选或全不选。
jc!V|w^ CheckBox chkExport ;
%ib7)8Ki0 if( CheckAll.Checked)
'vq0Tw5 {
x{G 'IEf foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
f4 +P2j {
XXwo(trs~= chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
=l]
lwA- chkExport.Checked = true;
TZg1,Z }
!"E/6z2&(k }
h^,L) E else
m9c`"! {
ApggTzh@ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Y>8JHoV {
heWQPM|s chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
IZ Q*D) chkExport.Checked = false;
n8\88d }
K2v[_a~@ }
?-0, x|ul }
E 8$S0u;` y5^OD63s 17.数字格式化
,E%O_:}R {C8IYBm 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
pP"j| <%#Container.DataItem("price","{0:¥#,##0.00}")%>
8aM\B%NGWi p*1B*R int i=123456;
R S>qP;V*- string s=i.ToString("###,###.00");
sC2NFb-+& Pv)^L 18.日期格式化
3-Xd9ou BT3yrq9 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
nLANWQk9 w|0:0Rc~u 显示为: 2004-8-11 19:44:28
/Q89 y[ QTN24 q4 我只想要:2004-8-11 】
#_IuB) qy <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
{+Wknm% S
{+Z.P 应该如何改?
el2<W=^M &U([Wd?E2 【格式化日期】
BbL]0i GZuWAa 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
BT$Oh4y4 3U!=R- 【日期的验证表达式】
|S<!'rY gg#lI| A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
DH i@ujr ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
g2M1zRm; 2BT+[ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
$Tt.r ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
@W==)S%O :>H{? 【大小写转换】
ug"4P.wI HttpUtility.HtmlEncode(string);
s%~Nx3, HttpUtility.HtmlDecode(string)
0~[M[T\ 'V <ZmJ2 19.如何设定全局变量
Be^"sC B*tQ0` Global.asax中
{F\P3-ub tehWGqx) Application_Start()事件中
XJwgh y?( 4L97UhLL 添加Application[属性名] = xxx;
;nAx@_ab^ ]F;1 l3I- 就是你的全局变量
q['3M<q Ul 85-p 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
/L|x3RHs TT#V'r\ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
376z~ lh XD9ed 【ASPNETMENU】点击菜单项弹出新窗口
Tfv@oPu &%(SkL_] 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
*%atE <?xml version="1.0" encoding="GB2312"?>
l0ZK) <MenuData ImagesBaseURL="images/">
L`9.Gf <MenuGroup>
?=-/5A4K <MenuItem Label="内参信息" URL="Infomation.aspx" >
y4=T0[
V <MenuGroup ID="BBC">
F8/n; <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
Qs8yJH`v <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
@$%.iQ7A; ......
yOP$~L#TWs Es\J%*\u 最好将你的aspnetmenu升级到1.2版
DPmY_[OAE .vi0DuD6 21.读取DataGrid控件TextBox值
^4Se=Hr
z2 foreach(DataGrid dgi in yourDataGrid.Items)
qa8?bNd'f {
fgF@ x TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
/V]i3ac tb.Text....
p=i6~ }
Xw|-v$'y vv5rA 6+ 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
J^PFhu o,0
Z^"| 〖思归〗
hD, |CQ <asp:TemplateColumn HeaderText="数量">
7 ,uD7R_ <ItemTemplate>
[;:ocy <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
CkV -L4Jq onkeyup="javascript:DoCal()"
r5$!41 />
VOg'_#I -?IF'5z <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
``{GU}n </ItemTemplate>
x>A[~s"|N </asp:TemplateColumn>
m<*+^JN !#e+!h@ <asp:TemplateColumn HeaderText="单价">
Q?`s4P)14o <ItemTemplate>
D})12qB;u9 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
(b"q(:5oX onkeyup="javascript:DoCal()"
43rV> W, />
2Ib
1D sP=^5K`g <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
]j$(so" mGF)Ot R </ItemTemplate>
h^14/L=| </asp:TemplateColumn>
W58%Zz4a A
;|P\V <asp:TemplateColumn HeaderText="金额">
0|=y#`;,Z <ItemTemplate>
+-5YmN' <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
I@#IXH?6 </ItemTemplate>
,WW=,P </asp:TemplateColumn><script language="javascript">
Z,~@_;F function DoCal()
M@*Y&(~ {
=fB"T+ var e = event.srcElement;
K;w]sN+I var row = e.parentNode.parentNode;
N+pCC var txts = row.all.tags("INPUT");
^.~e if (!txts.length || txts.length < 3)
Jv]$@># return;
wMCgLh\wi ;W\?lGOs{ var q = txts[txts.length-3].value;
(_gt!i{h var p = txts[txts.length-2].value;
Y\4B2:Qd9 )N\ BC if (isNaN(q) || isNaN(p))
/paZJ}Pr. return;
G}}Lp~ sEL0h4 q = parseInt(q);
zq3f@xOK p = parseFloat(p);
pXA|'U5] $uRi/%Q9 txts[txts.length-1].value = (q * p).toFixed(2);
C!6D /S }
P{StF`>Y </script>
Z:2%gU&W )?6%d f9d{{u I"Ko sSs ^E+fmY2a 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
)6o%6$c page_load
wuSotbc/ page.smartNavigation=true
6/"#pe^ `/B+ 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 ?
z+zEH9.' private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
J*Cf1 D5! {
H"?Ndl: for(int i=0;i<e.Item.Cells.Count-1;i++)
IaO&f<^#o if(e.Item.ItemType==ListItemType.EditType)
|PGTP#O< {
95ix~cH3q e.Item.Cells.Attributes.Add("Width", "80px")
TWfkr }
Ya!PV&"Z }
'tX}6wurf mSk";UCn 26.对话框
8-@HzS% private static string ScriptBegin = "<script language=\"JavaScript\">";
QDKY7"H private static string ScriptEnd = "</script>";
y,qn 9 LIyb+rH#yg public static void ConfirmMessageBox(string PageTarget,string Content)
wk1/& {
WB `h) string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
zp``e;gY vM:c70= ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
t=jG $A ^U,Dx Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
gplrJaH@ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
i#*lK7 //Response.Write(strScript);
7[0CVWs, }
4jjo%N }I18|=TB 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
J(P'!#z^ DH4IF i> 1.1 取当前年月日时分秒
%D%
Ok7s}) currentTime=System.DateTime.Now;
+NeoGnj $)6M@S 1.2 取当前年
Wo,93] int 年= DateTime.Now.Year;
0 ;4 YU%u nu2m5RYx 1.3 取当前月
>q ,Z*s>? int 月= DateTime.Now.Month;
"x
3C3Zu.; *,=8x\Shp 1.4 取当前日
9j5-/
int 日= DateTime.Now.Day;
3[ xHY@c /R>YDout} 1.5 取当前时
,H$%'s1I( int 时= DateTime.Now.Hour;
,&Vir)S kN 0N18E 1.6 取当前分
<5G 4|l int 分= DateTime.Now.Minute;
]x%sX|Rj jc,Qg2 1.7 取当前秒
DwWm(8&6;} int 秒= DateTime.Now.Second;
Q"3gvIyc HLL=.: P 1.8 取当前毫秒
pkTVQdtRG int 毫秒= DateTime.Now.Millisecond;
X|}Q4T` =p:~sn# 28.自定义分页代码:
5Y@Hb!5D O]@s`w 先定义变量 :
IfY?P(P public static int pageCount; //总页面数
o5m]Gqa public static int curPageIndex=1; //当前页面
3/]~#y%2 _p^Wc.[~M 下一页:
_!w69>Nj if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
9Q7342 {
Zvra > % DataGrid1.CurrentPageIndex += 1;
u EERNo& curPageIndex+=1;
bHXoZix }
w U1[/ XK;Vu#E*^ bind(); // DataGrid1数据绑定函数
Mh{;1$j# i8%@4U/ J 上一页:
sI{?4k if(DataGrid1.CurrentPageIndex >0)
:%+9y @% {
V=YDqof DataGrid1.CurrentPageIndex += 1;
gN*b~&G curPageIndex-=1;
{xICR ~,* }
l j+p}dt m9\~dD bind(); // DataGrid1数据绑定函数
@CoUFdbz vZ^U]h V 直接页面跳转:
7 ;2>kgf~ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
$6 4{Ff YtXd>@7 if(a<DataGrid1.PageCount)
Oh,Xjel {
#5iwDAw:|r this.DataGrid1.CurrentPageIndex=a;
$Yw~v36`t/ }
8>xd Tl+PRR6D* bind();
`P$X`;SwE Fzn! 29.DataGrid使用:
0<^Qj.(9 Vo|[Z)MO` 添加删除确认:
~ftR:F|9 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
APCE}%1U {
4ti,R' foreach(DataGridItem di in this.DataGrid1.Items)
ID<[=es6 {
KTeR;6oZn" if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
k`s_31< {
0n={Mb ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
90ov[|MkM }
kv2 H3O }
2Zg%4/u,Zp }
g[\8s~g, -"XHN=H 样式交替:
]LMtZUz ListItemType itemType = e.Item.ItemType;
`BaJ >%| 3T[zieX if (itemType == ListItemType.Item )
czB),vooz {
b'vIX<
g e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
_ D"S e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Vl'rO_?t }
/J(~NGT else if( itemType == ListItemType.AlternatingItem)
;1>V7+/ {
ZmJ<FF4 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
OM`Ws5W}f e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
~D` }
Dr"PS
>. =Wz)(N 添加一个编号列:
A7T(p7pP DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
uC[F'\Y DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
0C6T>E7 7y$U$6 for(int i=0;i<dt.Rows.Count;i++)
ME.!l6lm\ {
Qtt3;5m dt.Rows["number"]=(i+1).ToString();
|D[LU[<C }
=GiN~$d phwBil-vUU DataGrid1.DataSource=dt;
Fc|N6I'o DataGrid1.DataBind();
#eF
k O(:/&`) DataGrid1中添加一个CheckBox,页面中添加一个全选框
$&i8/pD
private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
^+kymZ {
xS=" o foreach(DataGridItem thisitem in DataGrid1.Items)
G'wyH[ d/ {
$J0o%9K
((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
eQMa9_ }
nB}eJD| }
PtGFLM9R ke)<E98DC 将当前页面中DataGrid1显示的数据全部删除
~3|)[R=+p1 foreach(DataGridItem thisitem in DataGrid1.Items)
N{6-a {
Q<yvpT( if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
t"5ZYa {
>D_)z/v?" string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
$2a_!/ Del (strloginid); //删除函数
6zGeGW }
]H<}6}Gd }
V|/N-3M x Vw1 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
]@CXUa,>a |;"(C# B 在Application_Start中添加以下代码:
?uW}
XAi Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
6.a|w}C` AppSettings["ConnStr"].ToString();
<y#@v G `9A`pC 31. 变量.ToString()
J6@RIia rmdg~ 字符型转换 转为字符串
fVi[mH0=+ 12345.ToString("n"); //生成 12,345.00
MOm+t]vq1 12345.ToString("C"); //生成 ¥12,345.00
X9C:AGbp 12345.ToString("e"); //生成 1.234500e+004
y!|4]/G]?t 12345.ToString("f4"); //生成 12345.0000
+=*ND<$n/E 12345.ToString("x"); //生成 3039 (16进制)
//bQD>NBO 12345.ToString("p"); //生成 1,234,500.00%
Fw^^sB b27t-p8 32、变量.Substring(参数1,参数2);
)r(e\_n s~c cx"HH 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);
KbH|'/w
6B}V{2 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)
Un&rP70 <SCRIPT language="javascript">
Dw,LB>Eq, <!--
n>)h9q S function gook(pws)
n} ]gAX {
mt[ #=Yba frm.submit();
gOp81) }
7lr;S(C //-->
OUN"'p%% yvnvI y </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
!P6?nS <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
;Q[E>j?w= <tr>
Pu'lp
O <td>
6H0aHCM <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
V8Z@y&ny <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
ZbH_h]1$D <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
iaQFVROu Z5`V\$ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
PH?<)Wj9i <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
('.I)n 8[a N5M] </td>
Ft_g~]kZo E_{P^7Z|Jg </tr>
N1U.1~U 'Hu+8,xA </form>
%Siw> <t"fL
RX 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
oq(W| nd5.Py$ 下面是获取用户输入的登陆信息的代码:
2\F'So string name;
>VG*La'c name=Request.QueryString["EmailName"];
q}(f9 8A'SMJi try
8sq0 BH {
upq3)t_ int a=name.IndexOf("@",0,name.Length);
T`c:16I f_user.Value=name.Substring(0,a);
8 v da" f_domain.Value=name.Substring(a+1,name.Length-(a+1));
aLwEz}-
f_pass.Value=Request.QueryString["Psw"];
EWWCh0
{ }
Iomx"y]9 oMNBK/X_ catch
{<cgeH {
KSUhB Script.Alert("错误的邮箱!");
DP!8c Server.Transfer("index.aspx");
J@rBrKC }