1. 打开新的窗口并传送参数:
t<~WDI|AN sk'<K5~ 传送参数:
Yz<,`w5/6~ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
V+\L@mz; nP]tc 接收参数:
Q?"o.T'; string a = Request.QueryString("id");
IZ){xI string b = Request.QueryString("id1");
99QMMup !LGnh 2.为按钮添加对话框
ku2gFO Button1.Attributes.Add("onclick","return confirm(’确认?’)");
s|40v@M button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
|W't-}yf 1Yr&E_5/ 3.删除表格选定记录
_(J;!, int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
bx!uHL= string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
sb1Zm*m6 D.7,xgH 4.删除表格记录警告
ceiUpWMu, private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
kXjrc {
,E7+Z' ; switch(e.Item.ItemType)
(tZ#EL0 {
l'yX_`*Iq case ListItemType.Item :
:+ASZE. case ListItemType.AlternatingItem :
U2Uf69R case ListItemType.EditItem:
7CKpt.Sz6 TableCell myTableCell;
cZ8lRVaWW myTableCell = e.Item.Cells[14];
|\HYq`!g%7 LinkButton myDeleteButton ;
~Te9Lq | myDeleteButton = (LinkButton)myTableCell.Controls[0];
WUC-*( myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
'eM90I%( break;
^Rel-=Z$B default:
^{ Kj{M22 break;
rTJ='<hIy }
wEQ7=Gyx M<Gr~RKmAn }
V)pn)no'V #sHA!@ | 5.点击表格行链接另一页
m7~<z>5$ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
0LX"<~3j {
|)%]MK$; //点击表格打开
/6?A#%hc if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
,s=jtK e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
q,e{t#t }
KOQiX?' }"$2F0 双击表格连接到另一页
A~2U9f+\ ,]:vk|a#; 在itemDataBind事件中
]'L#'"@ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
96NZrT {
q5Bj0r[/o string OrderItemID =e.item.cells[1].Text;
,5Vc
...
>rbHpLm1` e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
ujlIWQU2mo }
Mz?xvP?z fG *1A\t] 双击表格打开新一页
\vH /bL if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
G<F+/Oi&DX {
>M}\_c= string OrderItemID =e.item.cells[1].Text;
Gky
e ...
EnM }H9A e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
9S<87sO }
dz3KBiq xH,D
bAC; ★特别注意:【?id=】 处不能为 【?id =】
S]Y3nI 6.表格超连接列传递参数
TT85G <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
%VV\biO] <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
rNi]|)-ET ">8]Oi;g 7.表格点击改变颜色
. J/x@ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
+*W9*gl {
@&I7z, e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
0Q>yv;M this.style.color=’buttontext’;this.style.cursor=’default’;");
@ij8AGE: }
FW~{io]n .Mn_T*F 写在DataGrid的_ItemDataBound里
z~O#0Q! if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
pCB^\M%* {
tK
$r_* e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
)A@
}mIs" this.style.color=’buttontext’;this.style.cursor=’default’;");
Ok0zgi e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
NmH1*w<A }
g6s&nH`Z2 )2nx5" D.!ay>o0# 8.关于日期格式
!Q/%N# s8r|48I#; 日期格式设定
G{ |0} DataFormatString="{0:yyyy-MM-dd}"
*A^j>lV S=
NG J0 我觉得应该在itembound事件中
A:-M RhE9X e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
nnzfKn:J jfLkp>2E' 9.获取错误信息并到指定页面
|D@/4B1P fZq_]1(/uP 不要使用Response.Redirect,而应该使用Server.Transfer
\Zn%r&( "k;j@ e.g
)}Vb+ // in global.asax
Bql5=p protected void Application_Error(Object sender, EventArgs e) {
]j4Nl?5*x if (Server.GetLastError() is HttpUnhandledException)
K)D5%?D Server.Transfer("MyErrorPage.aspx");
t PJW|wo $!'S7;*uW //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
`4xnM`:L" }
Wzn!BgxRr JU6PBY~C' 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
UY ^dFbJ _,"?R]MO 10.清空Cookie
)335X wA+ Cookie.Expires=[DateTime];
b0PQ;?R#V Response.Cookies("UserName").Expires = 0
wt@Qjbqd8 LR(Q.x 11.自定义异常处理
TKwMgC}<[ //自定义异常处理类
a?d)lnk using System;
4s:S_Dw using System.Diagnostics;
@|=JXSr!KY O<*l"fw3 namespace MyAppException
b`9J1p.; {
,k9@%{4 l /// <summary>
EMTAl;P /// 从系统异常类ApplicationException继承的应用程序异常处理类。
u|G&CV#r /// 自动将异常内容记录到Windows NT/2000的应用程序日志
vqeWt[W
v /// </summary>
XEUy,>mR public class AppException:System.ApplicationException
S-5|t]LV {
$ ]fautQlt public AppException()
GKk>;X- {
J{69iQ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Yn~N;VUA }
8et*q3D7` brdfjE8 public AppException(string message)
,GU|3 {
~Z{IdE LogEvent(message);
(
!THd }
'XbrO|% >u-6,[(5X* public AppException(string message,Exception innerException)
K> rZJ[a {
(V06cb*42[ LogEvent(message);
7\T~KYb? if (innerException != null)
hx5oTJR {
8Qo~zO LogEvent(innerException.Message);
mY'c<>6t }
aFbIJm=! }
0afDqvrC6 z_ 01*O //日志记录类
CyWMr/' using System;
#s}cK using System.Configuration;
{hNvCk using System.Diagnostics;
e7$ZA#A_5v using System.IO;
6m\MYay using System.Text;
4/Mi-ls_ using System.Threading;
IAlX^6s* 2omKP,9,2 namespace MyEventLog
AB:JXMyK {
gZg5On /// <summary>
iC.k8r+~ /// 事件日志记录类,提供事件日志记录支持
'g@Yra&09 /// <remarks>
@[=K`n:n_ /// 定义了4个日志记录方法 (error, warning, info, trace)
(b*PDhl`+ /// </remarks>
,$,c<M /// </summary>
fqY;>Z public class ApplicationLog
`w;8xD( {
9_4bw9A /// <summary>
nYvx[
zq?^ /// 将错误信息记录到Win2000/NT事件日志中
8M~^/Zc /// <param name="message">需要记录的文本信息</param>
y$Y*%D^w /// </summary>
ov9+6'zya public static void WriteError(String message)
"R!)"B== {
'f
"KV| WriteLog(TraceLevel.Error, message);
&yabxl_ }
e -yL C3hQT8~ /// <summary>
>Av[`1a2F /// 将警告信息记录到Win2000/NT事件日志中
p-S&Wq /// <param name="message">需要记录的文本信息</param>
45qSt2 /// </summary>
G9YfJ?I public static void WriteWarning(String message)
f)b+>! {
CD"D^\z WriteLog(TraceLevel.Warning, message);
89kxRH\IhG }
;Pd nE~ &hSABtr} /// <summary>
- Mubq /// 将提示信息记录到Win2000/NT事件日志中
5j{jbo=! /// <param name="message">需要记录的文本信息</param>
r2xXS&9!| /// </summary>
M];?W public static void WriteInfo(String message)
N}/|B} {
h;lg^zlTb WriteLog(TraceLevel.Info, message);
"{@Q..hxC }
W[R^5{k` /// <summary>
[d3i_^\ /// 将跟踪信息记录到Win2000/NT事件日志中
Z+%w|Sx /// <param name="message">需要记录的文本信息</param>
dln1JZ! /// </summary>
:,f~cdq= public static void WriteTrace(String message)
;dR4a@ {
DDwj[' R WriteLog(TraceLevel.Verbose, message);
A|90Ps }
gd,3}@@SH kgZiyPcw /// <summary>
YPU*T&~ /// 格式化记录到事件日志的文本信息格式
ox&PFI0Gn /// <param name="ex">需要格式化的异常对象</param>
4owM;y /// <param name="catchInfo">异常信息标题字符串.</param>
Ht,dMt>: /// <retvalue>
hh1 ?/ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
|l#<vw
wE /// </retvalue>
\$B%TY /// </summary>
yd>b2 M public static String FormatException(Exception ex, String catchInfo)
ih[!v"bv {
$.0l% $ 7 StringBuilder strBuilder = new StringBuilder();
~w,c6Z if (catchInfo != String.Empty)
[vV5@nP: {
6A;,Ph2 strBuilder.Append(catchInfo).Append("\r\n");
VHbQLJ0 }
O'L9 s>B strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
$[*QsU%% return strBuilder.ToString();
CwL8-z0 Jn }
>69- [#P! 5Kw$QJ/ /// <summary>
/9 ^F_2'_ /// 实际事件日志写入方法
K
K_ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
%0MvCm /// <param name="messageText">要记录的文本.</param>
oj'a%mx /// </summary>
=mQdM]A)2 private static void WriteLog(TraceLevel level, String messageText)
2Vwv#NAV k {
1!P\x=Nn_ try
IBn+42V {
Hdxon@,+cd EventLogEntryType LogEntryType;
~B704i switch (level)
<{Pr(U*7} {
JsA.jqkB case TraceLevel.Error:
[zw0'-h. LogEntryType = EventLogEntryType.Error;
dR|*VT\ break;
`m_('N case TraceLevel.Warning:
qPvWb1H: LogEntryType = EventLogEntryType.Warning;
6dlV:f_\y break;
Kwmtt case TraceLevel.Info:
F39H@%R LogEntryType = EventLogEntryType.Information;
R<eD)+ break;
IJQ"
*; case TraceLevel.Verbose:
O+w82!<: LogEntryType = EventLogEntryType.SuccessAudit;
5 >c,#* break;
xJ(}?0h-X default:
n8RE LogEntryType = EventLogEntryType.SuccessAudit;
rFLm!J] break;
wnr<# =,I' }
^Q9;ro*;ck ]K!NLvz EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
I8%Uyap{ //写入事件日志
$eU oFa5A eventLog.WriteEntry(messageText, LogEntryType);
5BAGIO<w 7E]qP
5 }
\96aHOk< catch {} //忽略任何异常
=Y]'wb }
VsjE*AJpe } //class ApplicationLog
S9mcThcZ }
TRJ5m?x "IuHSjP 12.Panel 横向滚动,纵向自动扩展
lq_(au. <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
(M;jnQ0 +aoenUm5 13.回车转换成Tab
?"Ec#,~ <script language="javascript" for="document" event="onkeydown">
5fjL if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
;QS(`SK l event.keyCode=9;
-`s_md0BM </script>
AbA_s I<; J`d_=C?J onkeydown="if(event.keyCode==13) event.keyCode=9"
*I<L1g%9d BTAt9Z8qK 14.DataGrid超级连接列
3vC"Q!J& DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
(
C~ u. kes
GwMr"e 15.DataGrid行随鼠标变色
SsBiCctn private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
G5!J9@Yi {
:v
Do{My^1 if (e.Item.ItemType!=ListItemType.Header)
dc=}c/6x {
3[r9v!l e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Ej#pM. e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
Bbj%RF2, }
*m6h(8(7Z }
jM5w<T-2/
<
pWk
16.模板列
+zL|j/q ? <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
AA &>6JB{ <ITEMTEMPLATE>
W20H4!G <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
oksAQnQe </ITEMTEMPLATE>
L}Rsg'U </ASP:TEMPLATECOLUMN>
Yj{-|2YzL
HE{JiAf <ASP:TEMPLATECOLUMN headertext="选中">
4Je[!X@C <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
8_=MP[(H <ITEMTEMPLATE>
4T??8J-J <ASP:CHECKBOX id="chkExport" runat="server" />
LM2S%._cj; </ITEMTEMPLATE>
`P
* wz< <EDITITEMTEMPLATE>
N/x]-$fl <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Em]2K: </EDITITEMTEMPLATE>
5D6 ,B </ASP:TEMPLATECOLUMN>
,ui=Wi1 _)XZ;Q 后台代码
! lxq,Whr{ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
y}*J_7- {
J>dIEW%u //改变列的选定,实现全选或全不选。
EGw;IFj) CheckBox chkExport ;
vT{+Z\LL= if( CheckAll.Checked)
khQ@DwO*\= {
h]>7Dl] foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Rc2JgV {
(TTS-( chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
iPCDxDLN3V chkExport.Checked = true;
K:L_y1!T }
5MHcgzyp }
#D ]P3 else
^|UD&6 dx {
KbGz3O'u foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Ux-i iH#s {
S.R|Bwj}(Y chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
}'WEqNuE chkExport.Checked = false;
9,cMb)=0 }
:um]a70 }
.X\9vVJ }
7fXta|eP0 {v,NNKQ4x 17.数字格式化
3Q!)bMv \ 36MNaQt'e 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
:-tMH02c <%#Container.DataItem("price","{0:¥#,##0.00}")%>
{v}BtZ ngOGo = int i=123456;
l}_6_g>6 string s=i.ToString("###,###.00");
oxNQNJ!X ,lDOo+eE%: 18.日期格式化
&2sfu0K ^E&WgXlb 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
!6FO[^h||H {NUI8AL46A 显示为: 2004-8-11 19:44:28
ksy]t| 5kLz8n^z@@ 我只想要:2004-8-11 】
JXQh$hs <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
T!X`"rI +!cibTQTT 应该如何改?
1b,MJ~g$ w&x$RP 【格式化日期】
NCivh&HR dZ|x `bIgs 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
$&X-ay o YB]{gm2 【日期的验证表达式】
S+bpWA 8k )i-&R A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
+'9E4Lpx ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
agd^ga3 D9JHx+Xf> B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
']U<R=5T$ ^\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]))$
q$'D}OH T S*V!t= 【大小写转换】
q,T4-
E HttpUtility.HtmlEncode(string);
DCKH^J HttpUtility.HtmlDecode(string)
g4^3H3Pd +?v2MsF'] 19.如何设定全局变量
*nSKIDw %[x
PyqX Global.asax中
qFXx/FZ 8EY]<#PN Application_Start()事件中
ihd^P] O,Ej m<nt 添加Application[属性名] = xxx;
s"~3.J O+"a0:GM 就是你的全局变量
3(`P x} }"M5"? 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
k]rc -c- [Om,Q< HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
1#KBf[0 nL+y"O 【ASPNETMENU】点击菜单项弹出新窗口
6z2%/P-' k:8NOx|s " 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
t"?)x&dS <?xml version="1.0" encoding="GB2312"?>
$]gflAe2 <MenuData ImagesBaseURL="images/">
Gq-~zmg <MenuGroup>
(,D:6(R7t <MenuItem Label="内参信息" URL="Infomation.aspx" >
yX.; x 0 <MenuGroup ID="BBC">
HcM/ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
5'/ff= <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
;)q"X>FMZe ......
-8yN6
0| hv *XuT/ 最好将你的aspnetmenu升级到1.2版
r7FpR! 3.6Gh|7 21.读取DataGrid控件TextBox值
1D1qOg"LE foreach(DataGrid dgi in yourDataGrid.Items)
fZb}- {
Gn^m 541 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
vZ1?4hG tb.Text....
X#tCIyK,nV }
Y|S>{$W V[0
ZNT& 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?
&qP0-x) bnZ H 〖思归〗
nP_)PDTFp <asp:TemplateColumn HeaderText="数量">
ART0o7B <ItemTemplate>
BS3{TGn <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
m(`O>zS onkeyup="javascript:DoCal()"
=w/AJ%6 />
<c$rfjM+JU iKu4s <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
#,h0K </ItemTemplate>
W3jwc{lj </asp:TemplateColumn>
C{~O!^2G 7^<6|>j4 <asp:TemplateColumn HeaderText="单价">
3mhjwgP<nn <ItemTemplate>
i,wZNX <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
G5ShheZd onkeyup="javascript:DoCal()"
}#S1!TU />
" s}Oeu[ gYBMi)`RT <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
{E0\mZ2 ]QGo(+ </ItemTemplate>
Ygc|9} </asp:TemplateColumn>
S]NT +XM =#vJqA <asp:TemplateColumn HeaderText="金额">
R6TT1Ka3c <ItemTemplate>
7^syu;DT9Y <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
t N4-<6 </ItemTemplate>
/ ;+Mz* </asp:TemplateColumn><script language="javascript">
U4qk<! function DoCal()
R_b4S%jhx {
yMt:L)+ var e = event.srcElement;
qkqtPbQ 7 var row = e.parentNode.parentNode;
c
Qe3 var txts = row.all.tags("INPUT");
`g<0FQA if (!txts.length || txts.length < 3)
frc9 return;
b,X+*hRt \VWgF)_ var q = txts[txts.length-3].value;
\/b[V3<" var p = txts[txts.length-2].value;
F"1tPWn N 1ydL if (isNaN(q) || isNaN(p))
BkP4.XRI return;
;*0nPhBw0> 2.vmZaKP q = parseInt(q);
CY.4 >, p = parseFloat(p);
1Vc~Sa N6`U)=2o>h txts[txts.length-1].value = (q * p).toFixed(2);
iCCe8nK }
]E)\>Jb </script>
'bsHoO =
5[%%Lf nw_s: L4Kg%icz l 6)BPDfU, 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
o2cc3`*8d page_load
7!wc'~; page.smartNavigation=true
P- +]4\ xGFbh4H=8p 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
;G[0%z+* private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
;WAa4r> {
4I .'./u for(int i=0;i<e.Item.Cells.Count-1;i++)
EwmNgmYq if(e.Item.ItemType==ListItemType.EditType)
I9m9`4BK {
}9glr]= e.Item.Cells.Attributes.Add("Width", "80px")
jGT|Xo>t }
hA;Ai:8 }
%hlgLM sVGQSJJ5 26.对话框
yFS{8yrRUU private static string ScriptBegin = "<script language=\"JavaScript\">";
RR'sW@ private static string ScriptEnd = "</script>";
"n)AlAV@ 'oH3| public static void ConfirmMessageBox(string PageTarget,string Content)
e=aU9v
L {
|KVVPXtq%C string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
<sw=:HU A3*(c3 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
NCY2^ hn\d{HP Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
z`.<dNg ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
'$eJATtC //Response.Write(strScript);
{> 8?6m- }
Z/!awf> *_7/'0E(3 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
o';/$xrH 8vtembna4 1.1 取当前年月日时分秒
,LP^v'[V7 currentTime=System.DateTime.Now;
\Rb:t} ^do6?e`?- 1.2 取当前年
>#'?}@FWQN int 年= DateTime.Now.Year;
k2tSgJW Od^Sr4C 1.3 取当前月
-Sn'${2 int 月= DateTime.Now.Month;
LAY:R{vI _*n
`*" 1.4 取当前日
m
OE!`fd int 日= DateTime.Now.Day;
FD&^nJ_{ sOiM/}O] 1.5 取当前时
L[A?W int 时= DateTime.Now.Hour;
r;MFVj{ aEh9za 1.6 取当前分
||.Hv[
]V* int 分= DateTime.Now.Minute;
%K.r rn M 7!h>
< sx 1.7 取当前秒
8qaU[u&$ int 秒= DateTime.Now.Second;
!s?SI=B8 FvYciU! 1.8 取当前毫秒
as('ZD.9 int 毫秒= DateTime.Now.Millisecond;
-|f0;Fl /AyxkXq 28.自定义分页代码:
Y/"t! 0xO*8aKT 先定义变量 :
M_-L#FHX public static int pageCount; //总页面数
{qbe
ye! public static int curPageIndex=1; //当前页面
:>r
W`=
e' uv<_.Jq] 下一页:
zx,9x*g if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
So8
Dwz? {
T:zM]%Xh DataGrid1.CurrentPageIndex += 1;
:=TIq curPageIndex+=1;
1_A_)l11 }
|$e'yx6j ,G5[?H;ZN bind(); // DataGrid1数据绑定函数
mw}Bl;
- O UV0[S8A 上一页:
,|}mo+rb- if(DataGrid1.CurrentPageIndex >0)
V=% ;5/ {
__FEdO DataGrid1.CurrentPageIndex += 1;
yN0`JI curPageIndex-=1;
^Y+Lf]zz* }
X{Hh^H XZM@Rys bind(); // DataGrid1数据绑定函数
;gSRpTS: EApbaS}Up 直接页面跳转:
5ya^k{`+ZO int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
vp.?$(L^@/ a h_>:x if(a<DataGrid1.PageCount)
J|DZi2o {
-W<1BJE this.DataGrid1.CurrentPageIndex=a;
Gyy4zK }
EwU)(UK g}W|q"l?i bind();
;b~\[ (_<,Oj#*S 29.DataGrid使用:
'6WS<@%} t|i<}2 添加删除确认:
noL9@It0 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{>9ED.t {
|3yG foreach(DataGridItem di in this.DataGrid1.Items)
H,5]w\R6\ {
kltW
if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
*o4a<.hd2 {
Uc'}y!R ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
)RvX}y- }
EY<"B2_% }
m8b,_1 }
!khEep} s</qT6@ 样式交替:
6h,!;`8O ListItemType itemType = e.Item.ItemType;
3NDddrL9 Z+J4q9^$ if (itemType == ListItemType.Item )
`&7tADFB {
-fmJkI e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
7>BfHb e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
w4Df?)Z }
DyiJ4m}kh else if( itemType == ListItemType.AlternatingItem)
`o295eiY(b {
vr'cR2 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
xk%
62W e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
25-h5$s }
1^X)vck ;l0dx$w 添加一个编号列:
Z%:>nDZV DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
S6JXi>n DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
KNd<8{'. L/exR6M7 for(int i=0;i<dt.Rows.Count;i++)
/*,_\ ; {
ktx| c19 dt.Rows["number"]=(i+1).ToString();
D_0Vu/v }
Yg3nT:K_Y& OM&GypP6& DataGrid1.DataSource=dt;
4d4+%5GE DataGrid1.DataBind();
]2qKc M?%x=q\< DataGrid1中添加一个CheckBox,页面中添加一个全选框
9g5h~Ma private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
=
a60Xv {
#o4tG foreach(DataGridItem thisitem in DataGrid1.Items)
-dBWpT {
2a48(~<_ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
U|%}B( }
+jwHYfAK) }
`w\P- q 9yC22C: 将当前页面中DataGrid1显示的数据全部删除
v#/Gxk9eX foreach(DataGridItem thisitem in DataGrid1.Items)
*Z_4bR4Q {
o!":mJy if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
CL4N/[UM {
8Ejb/W_ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
*1<kYrB Del (strloginid); //删除函数
iI";m0Ny }
s) shq3O }
dM^Z,;u #Ir?v 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)
0O>ClE~P R8Vf6]s_ 在Application_Start中添加以下代码:
Q'jw=w!|g Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
ikV;]ox AppSettings["ConnStr"].ToString();
mL48L57Z Q}L?o 31. 变量.ToString()
yW=+6@A4 hyf
;f7`o 字符型转换 转为字符串
71{jedT 12345.ToString("n"); //生成 12,345.00
A+0-pF2D 12345.ToString("C"); //生成 ¥12,345.00
r.\L@Y< 12345.ToString("e"); //生成 1.234500e+004
K8&;B)VT> 12345.ToString("f4"); //生成 12345.0000
% (y{Sca 12345.ToString("x"); //生成 3039 (16进制)
Bso#+v5 12345.ToString("p"); //生成 1,234,500.00%
OpEH4X.Z F. SB_S<' 32、变量.Substring(参数1,参数2);
j/d}B_2 y]fI7nu& 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);
gE#'Zv {7 KZw~Ch}b9 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)
^D$|$=|DH <SCRIPT language="javascript">
\xCCJWek <!--
h&$h<zL[ function gook(pws)
yEI@^8]s {
ezp%8IZ; frm.submit();
^0OP&s;" }
lbBWOx/| //-->
}Ze*/p- LD}~] </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
bH e'
U> <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
nm,LKS7 <tr>
F^NK"<tW <td>
<]M.K3> <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
Wjw,LwB <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
aIV
/ c <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
x1.S+: /q]rA <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
f|~ {j(.v <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
T"_'sSI>tF rQVX^ </td>
{}$7B p d}h{#va* </tr>
w>&*-}XX w31Ox1>s </form>
5FoZ$I hu.o$sV3; 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
:lcq3iFn ^!&6=rb 下面是获取用户输入的登陆信息的代码:
d}[cX9U/ string name;
v\Uk?V5T name=Request.QueryString["EmailName"];
4V')FGB$ Kf[d@L try
rR> X< {
S=(O6+U int a=name.IndexOf("@",0,name.Length);
o[Jzx2A< f_user.Value=name.Substring(0,a);
(?na|yd f_domain.Value=name.Substring(a+1,name.Length-(a+1));
}|kFHodo f_pass.Value=Request.QueryString["Psw"];
k||t<&`Ze }
-Lh7!d 3N2dV6u catch
;/j2(O^ {
qq| 5[I.? Script.Alert("错误的邮箱!");
ukW&\ Server.Transfer("index.aspx");
FQDf?d5 }