1. 打开新的窗口并传送参数:
WD;)VsP 6K//1U$ 传送参数:
J9a $AU* response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
{5 Kz' FT Qtnv#9%Vi 接收参数:
EW;1`x string a = Request.QueryString("id");
;.0LRWcJ string b = Request.QueryString("id1");
`e*61k5 b Fn(w:1Q 2.为按钮添加对话框
PSEWL6=]N Button1.Attributes.Add("onclick","return confirm(’确认?’)");
?360SQ< button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
#01/(:7 [|z'"Gk{
3.删除表格选定记录
W gZ@N int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
".M:`BoW4 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
28+HKbgK @H4wHlb 4.删除表格记录警告
kd`YSkZ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
EP0a1.C {
OequU'j switch(e.Item.ItemType)
)]}$ {
t[ q3{- case ListItemType.Item :
h&$Py case ListItemType.AlternatingItem :
I9,8HtnA case ListItemType.EditItem:
HqRCjD TableCell myTableCell;
IdmD.k0pJ myTableCell = e.Item.Cells[14];
}+JLn%H) LinkButton myDeleteButton ;
AgCs;k&IG myDeleteButton = (LinkButton)myTableCell.Controls[0];
>.@MR<H#5 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
U2=hSzY break;
ax]9QrA default:
K
/ZHJkJ7 break;
'v+96b/; }
43F^J%G :P"9;$FY }
:1NYpsd.i ;3
dM@>5[ 5.点击表格行链接另一页
?M]u$Te/. private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
X$ PS(_M {
;Lqm#]C //点击表格打开
I2W{tl if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
:^.u-bHI e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
b8e*Pv/ }
N&,"kRFFo {~"Em'}J 双击表格连接到另一页
YiO3<}Uf U#$:\fT 在itemDataBind事件中
P8u"T!G if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
?qIGQ/af& {
H<{*ub4'L* string OrderItemID =e.item.cells[1].Text;
@@; 1%z ...
S~} +ypV e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
xNx`J@xt$ }
^[*AK_o_DQ #e*$2+`[A 双击表格打开新一页
o=@ UXi if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
gi
'^qi2 {
Yr:>icz| string OrderItemID =e.item.cells[1].Text;
qm~Kw!kV ...
" _mmR
M e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
w[|y0jtw }
r*>QT:sB iAg}pwU ★特别注意:【?id=】 处不能为 【?id =】
NrW [Q3E$ 6.表格超连接列传递参数
JfR kp <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Zq9>VqGe <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
9/^d~ZO we
@Y w6< 7.表格点击改变颜色
y.%i if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
cx<h_ {
vDWr|M%``l e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
n/Or~@pHD this.style.color=’buttontext’;this.style.cursor=’default’;");
MR[N6E6Mg }
3!1&DII4 xvHOY: 写在DataGrid的_ItemDataBound里
"_Zh5
g if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
mJ/^BT] {
QK,=5~I J e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
C?bXrG\ this.style.color=’buttontext’;this.style.cursor=’default’;");
m2wp m_vV# e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
5NFq7&rJ6 }
*:k~g].Iz zCyR<as7 vxF:vI# @ 8.关于日期格式
kK08W3@&t T$f:[ye]Z 日期格式设定
zv&ePq\# DataFormatString="{0:yyyy-MM-dd}"
m<~>&mWr 9$8X>T^ 我觉得应该在itembound事件中
$]xE$dzJ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
"Fo rE9Ta8j6 9.获取错误信息并到指定页面
.Ydr[ wrhBH;3 不要使用Response.Redirect,而应该使用Server.Transfer
&`-_)~5] #vnefIcBf e.g
<d3PDO@w/ // in global.asax
4,o
%e,z protected void Application_Error(Object sender, EventArgs e) {
`e4o 1* if (Server.GetLastError() is HttpUnhandledException)
ZE{aS4c Server.Transfer("MyErrorPage.aspx");
dVij <! Lu r{bgTG //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
?L`MFR }
I=Gr^\x= "tEj`eR 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&03@Sw J{aQ1) 10.清空Cookie
tvGg@Xs\ Cookie.Expires=[DateTime];
hqdC9?\ Response.Cookies("UserName").Expires = 0
`8.1&fBr IY-(-
a8 11.自定义异常处理
XL{{7%j //自定义异常处理类
HCI'q\\ using System;
yIn/Y 0No using System.Diagnostics;
6tDg3`w> 8ct+?-3g namespace MyAppException
oSpi{ $x {
oFX"F0rx /// <summary>
}(8D!XgWa /// 从系统异常类ApplicationException继承的应用程序异常处理类。
z7D*z8,i /// 自动将异常内容记录到Windows NT/2000的应用程序日志
OaX HJ^k /// </summary>
\65vfE~ O public class AppException:System.ApplicationException
qiF@7i {
\HBVNBY public AppException()
!3O,DhH>MC {
/F\>Z] if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
){?mKB5 }
u?LW+o "H
wVK public AppException(string message)
BT
y]!%r' {
v4nvZ6 LogEvent(message);
0(Yh~{ }
oAIY=z *93l${' public AppException(string message,Exception innerException)
Tw`F?i~ {
H8(0.IR LogEvent(message);
we6+2 if (innerException != null)
(CKhY~,/u {
Vu_7uSp,) LogEvent(innerException.Message);
My'9S2Y8nv }
^K1~eb*K }
:HQ8M*o +H2m< //日志记录类
B]+7 JB using System;
s8`}x _k= using System.Configuration;
T%;k% using System.Diagnostics;
]{q-Y<{" using System.IO;
Y^*Lh/:h using System.Text;
A &X using System.Threading;
%OezaNOtm =%:n0S0C" namespace MyEventLog
'qD'PLV {
wR5\^[GN /// <summary>
U]`'GM/x /// 事件日志记录类,提供事件日志记录支持
`2
%eDFZ /// <remarks>
ox i
a} /// 定义了4个日志记录方法 (error, warning, info, trace)
gNMKGf\Y /// </remarks>
^?sSsHz /// </summary>
HM(bR"E public class ApplicationLog
MbT
ONt?~v {
[="g|/M) /// <summary>
kx;xO>dC /// 将错误信息记录到Win2000/NT事件日志中
B` t6H /// <param name="message">需要记录的文本信息</param>
8gu'dG = /// </summary>
02]8|B(E90 public static void WriteError(String message)
Fyi?,, {
PU]7c2.y WriteLog(TraceLevel.Error, message);
5p#o1I }
IL8'{<lM ue^?/{OuT /// <summary>
42b=z//; /// 将警告信息记录到Win2000/NT事件日志中
t?Njw7 /// <param name="message">需要记录的文本信息</param>
*Dd(+NI /// </summary>
DRKc&F6Qy public static void WriteWarning(String message)
=Ov;'MC {
o}r!qL0c WriteLog(TraceLevel.Warning, message);
~x+:44* }
".*a) !DY2{Wb /// <summary>
gnKU\>2k /// 将提示信息记录到Win2000/NT事件日志中
vJ# rW8y /// <param name="message">需要记录的文本信息</param>
5~ *'>y /// </summary>
wHo#%Y,Nmi public static void WriteInfo(String message)
vMW-gk {
flm,r<*} WriteLog(TraceLevel.Info, message);
M;S-ESQ }
U&d-? PI /// <summary>
^=-*L
3f /// 将跟踪信息记录到Win2000/NT事件日志中
U:etcnb4w> /// <param name="message">需要记录的文本信息</param>
dZ;~b(CA /// </summary>
#V(Hk ) public static void WriteTrace(String message)
dH2j*G Ij {
bSeL"
WriteLog(TraceLevel.Verbose, message);
$Nt]${0 }
#C=L^cSx( gs`27Gih /// <summary>
FzsS~C$wH{ /// 格式化记录到事件日志的文本信息格式
K_<lO,[S /// <param name="ex">需要格式化的异常对象</param>
Bcd0 /// <param name="catchInfo">异常信息标题字符串.</param>
Hm8EYPrJ /// <retvalue>
;k63RNT,M& /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
]
fwTi(4y /// </retvalue>
6U,U[MWJ /// </summary>
ShsP]$Yp public static String FormatException(Exception ex, String catchInfo)
f4aD0.K.g| {
/%}YuN StringBuilder strBuilder = new StringBuilder();
mXN1b! if (catchInfo != String.Empty)
=E6i1x%j {
yoQ?lh strBuilder.Append(catchInfo).Append("\r\n");
wZ\e3H z }
n_!]B_Vd$ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
NZw[.s>n
return strBuilder.ToString();
]>S$R&a }
_+R_ms ek0;8Ds9 /// <summary>
x/jN&;"/ /// 实际事件日志写入方法
Do[ F+Y /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
%8`1Li6g /// <param name="messageText">要记录的文本.</param>
0F;(_2V- /// </summary>
t6,M private static void WriteLog(TraceLevel level, String messageText)
!~$ YD*"S {
Ik@Q@ T" try
Yf2+@E {
)lngef
/D_ EventLogEntryType LogEntryType;
WSpg(\Cs switch (level)
(>Q9jNW {
}mT%N eS case TraceLevel.Error:
aBA#\eV LogEntryType = EventLogEntryType.Error;
GO:1
Z?^ break;
J?,!1V= case TraceLevel.Warning:
,[K)E LogEntryType = EventLogEntryType.Warning;
n9-q5X^e> break;
2YP"nj# case TraceLevel.Info:
@ T~#Gwv LogEntryType = EventLogEntryType.Information;
7gR; break;
l.NkS case TraceLevel.Verbose:
|2t7mat LogEntryType = EventLogEntryType.SuccessAudit;
qeO6}A"^| break;
$0`$)(Y default:
k~s>8N:&G LogEntryType = EventLogEntryType.SuccessAudit;
<K.C?M(9 break;
K&gc5L }
JXR/K=<^ L!}j3(I EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
?\p%Mx? //写入事件日志
2"{]A;@ eventLog.WriteEntry(messageText, LogEntryType);
!A^w6Q;`V 2O)Kn
q }
RxDxLU2kt catch {} //忽略任何异常
yfw>y=/p }
r@@eC[' } //class ApplicationLog
%[bO\, }
}zfLm`vJ BQfAen] 12.Panel 横向滚动,纵向自动扩展
J/&*OC <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
pfn#~gC_= ]zR;%p 13.回车转换成Tab
XGup,7e9 <script language="javascript" for="document" event="onkeydown">
0|+hm^'_ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
BO\`m%8md event.keyCode=9;
OaCj3d> </script>
DSG +TA" O
|I:[S}, onkeydown="if(event.keyCode==13) event.keyCode=9"
m&jt[
#/sE{jm 14.DataGrid超级连接列
17[t_T&Ak9 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
M0IqQM57N X|n[9h:% 15.DataGrid行随鼠标变色
kFZu/HRI private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
>zx50e) {
u.K'"-xt4K if (e.Item.ItemType!=ListItemType.Header)
'FA)LuAok {
. eag84_ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
eRqexqO! e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
,["|wqM }
d~1"{WPSn }
_(s|Q {4jSj0W 16.模板列
{c
EKz\RX <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
wk
<~Y 3u <ITEMTEMPLATE>
^VYZ% <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
9C'+~<l </ITEMTEMPLATE>
r
L|BkN </ASP:TEMPLATECOLUMN>
Q\>SF cW|Zgz8vv <ASP:TEMPLATECOLUMN headertext="选中">
#Uk6Fmu] <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
.+~kJ0~Y <ITEMTEMPLATE>
7)It1i- <ASP:CHECKBOX id="chkExport" runat="server" />
&\D<n;3 </ITEMTEMPLATE>
8 P y_Y> <EDITITEMTEMPLATE>
DdZ_2B2 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
`YU:kj<6 </EDITITEMTEMPLATE>
Ty`=U>K| </ASP:TEMPLATECOLUMN>
~322dG Q_h+r!b 后台代码
f7AJSHe protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
yW,#&>]# | {
O
NzdCgY //改变列的选定,实现全选或全不选。
Dq1XZ%8 CheckBox chkExport ;
%1d6j<7 if( CheckAll.Checked)
hnLgsz {
7}7C0mV3 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
M]zNW{Xt {
qf&{O:,Z chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
8[P6c;\ chkExport.Checked = true;
l8Iy03H }
7(iRz }
M@ZpgAfq else
F"? *@L {
?BZ`mrH^ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
X1QZEl {
k#G7`dJl chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
(dnc7KrM chkExport.Checked = false;
K]Cs2IpI }
iK0J{' }
HQj4h]O# }
JWjp<{Q;1 +uXnFf d^ 17.数字格式化
"JGig!9 +GtGyp 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
^7<m lr <%#Container.DataItem("price","{0:¥#,##0.00}")%>
&y wY?ox e~[z]GLO% int i=123456;
d33Nx)No string s=i.ToString("###,###.00");
7027@M?A? `5jB|r/ 18.日期格式化
~g|0uO}. fszeJS}Dw 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
&=O1Qg=K ]* Ki7h|B 显示为: 2004-8-11 19:44:28
\5c -L_ $ =a$z" 我只想要:2004-8-11 】
+W[#;)ea( <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
:u+#:8u <G =@Gl 应该如何改?
&!fcL Jd nezbmpL4 【格式化日期】
QRa6*AYm AQU: 0 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
N>\?Aeh {/!"}{G1e 【日期的验证表达式】
]Y!
Vyn #$T"QL@ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
md
LJ,w?{ ^((\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})))?$
<R%6L& \>azY
g B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
y{P9k8v!z ^\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]))$
BkqW>[\5xm ]a~LA7VHO 【大小写转换】
LZ dNG\- HttpUtility.HtmlEncode(string);
r}Av" HttpUtility.HtmlDecode(string)
_
9]3S>Rn I"?&X4%e 19.如何设定全局变量
e!'u{>u (19<8a9G Global.asax中
u6d~d\ 4=cq 76 Application_Start()事件中
YIqfGXu8 ^PpFI 添加Application[属性名] = xxx;
BVeNK=7m% }-iOYSn 就是你的全局变量
kfECC&" ]`9K|v 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
DMW:%h{ (fb\A6 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
Lwk- W4Q]<<6& 【ASPNETMENU】点击菜单项弹出新窗口
ogbdt1 be@uHikp;v 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
3o^M% <?xml version="1.0" encoding="GB2312"?>
<-aI%'?* <MenuData ImagesBaseURL="images/">
TnAX;+u <MenuGroup>
_@76eZd <MenuItem Label="内参信息" URL="Infomation.aspx" >
j)*nE./3 <MenuGroup ID="BBC">
5nb6k,+E <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
f/m6q8!L{ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
6GvnyJ{[ ......
o)WSMV(&f ,Yz+?SmSZ& 最好将你的aspnetmenu升级到1.2版
=1Jo-!{{ VHNiTp 21.读取DataGrid控件TextBox值
}Cf[nGh|B foreach(DataGrid dgi in yourDataGrid.Items)
M lwQ_5O {
h]9^bX__Z TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
[GM<Wt0 tb.Text....
Fowh3go }
$Bb/GXn{\ 4f,x@:Jw 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
PCjY,O n3,wwymQ 〖思归〗
"KwKO8f <asp:TemplateColumn HeaderText="数量">
NE"fyX` <ItemTemplate>
A>yIH)b <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
T667&@ onkeyup="javascript:DoCal()"
L\DaZ(Y />
< Ifnf6~ JnJz{(c
<asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
b"9,DQB=i </ItemTemplate>
N4-J !r@#~ </asp:TemplateColumn>
,iUx'U 1fZ:^|\ <asp:TemplateColumn HeaderText="单价">
1YL5 ![T <ItemTemplate>
bux-t3g7+ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
8?XZF[D onkeyup="javascript:DoCal()"
X.<R['U&\ />
"-%H</ v^'~-^s
<asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
iSHl_/I< nrBitu, </ItemTemplate>
<X*8Xzmv </asp:TemplateColumn>
37Y]sJrs$ |e>-v <asp:TemplateColumn HeaderText="金额">
pM3BBF% <ItemTemplate>
2oLa`33c1 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
|&7,g </ItemTemplate>
oJ:J'$W( </asp:TemplateColumn><script language="javascript">
= ;d<Ikj function DoCal()
ba13^;fm# {
H=C;g)R var e = event.srcElement;
P+h&tXZn8 var row = e.parentNode.parentNode;
67?5Cv var txts = row.all.tags("INPUT");
G]CY3xw98 if (!txts.length || txts.length < 3)
w3D_ c~ return;
K-3 _4As HxaUVg0 var q = txts[txts.length-3].value;
z^.0eP8\j var p = txts[txts.length-2].value;
y
rk#)@/m flqTx)xE if (isNaN(q) || isNaN(p))
5@ug1F& return;
wn&2-m*a |{T2|iJI q = parseInt(q);
}__+[- p = parseFloat(p);
A$cbH. h;->i] txts[txts.length-1].value = (q * p).toFixed(2);
-yeT $P&| }
ZI7<E </script>
)RFeF!(" _rd{cvdR /&yT2p HV@:!zM {QID @ 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
nKdLhCN'= page_load
#eYVZ=E page.smartNavigation=true
oWmla*nCKL j7&l&)5 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
{Y Ymt!Ic private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
+zsya4r {
q]x@q for(int i=0;i<e.Item.Cells.Count-1;i++)
uc_
X;M; if(e.Item.ItemType==ListItemType.EditType)
MXb(Z9)]kw {
|k+^D : e.Item.Cells.Attributes.Add("Width", "80px")
x<(h9tB }
JN_#
[S$
}
o9i\[Ul GSp1,E2J 26.对话框
&^.'g{\Y private static string ScriptBegin = "<script language=\"JavaScript\">";
g5)VV" private static string ScriptEnd = "</script>";
i weP3u## 7
<xxOY>y public static void ConfirmMessageBox(string PageTarget,string Content)
|Bp?"8%*l {
/!hW6u5 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
rzu^br9X ;QYK {3R? ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
q)*0G* ArY'NE\Htt Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
Z>l>@wN m ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
L6^h3*JyD //Response.Write(strScript);
s6B@:9 }
]G:xT v8 m|
Z)h{& 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
(]:G"W8f jkq+j^ 1.1 取当前年月日时分秒
a;K:~R+@, currentTime=System.DateTime.Now;
isjkfl-! ]l%j>Vb!L 1.2 取当前年
{F j`'0Xu; int 年= DateTime.Now.Year;
G;e}z&6<k 5j]%@]M$Z 1.3 取当前月
(k?OYz]c int 月= DateTime.Now.Month;
PsLCO(26
!ZRV\31% 1.4 取当前日
iQKfx#kt int 日= DateTime.Now.Day;
om1 /9 XL:7$ 1.5 取当前时
*XJSa int 时= DateTime.Now.Hour;
rhrlEf@ +~-|(
y 1.6 取当前分
DcOLK\ int 分= DateTime.Now.Minute;
nMhc3t .qZ<ROZ 1.7 取当前秒
b|N EU-oy int 秒= DateTime.Now.Second;
Y3[@( + '`RJ,K+[ 1.8 取当前毫秒
CVm*Q[5s" int 毫秒= DateTime.Now.Millisecond;
R:Lu)d>= 9cLKb 28.自定义分页代码:
M0|z^2 6R25Xfm_| 先定义变量 :
'Gk|&^ public static int pageCount; //总页面数
W;=ZQ5Lw public static int curPageIndex=1; //当前页面
\21!NPXH2 bu]bfnYi9 下一页:
GB#7w82 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
d^7<l_u~ ! {
!Ej<J&e DataGrid1.CurrentPageIndex += 1;
`6zoZM7?Y curPageIndex+=1;
Jps!,Mflc }
i|t$sBIh q45n.A6a bind(); // DataGrid1数据绑定函数
z8oSh t`+ ;.iy{&$ 上一页:
Px<;-H` if(DataGrid1.CurrentPageIndex >0)
%\A~w3 E {
?1YK-T@ DataGrid1.CurrentPageIndex += 1;
Q8_d]V=X: curPageIndex-=1;
Q-\: u~ }
uZfo[_g0S j0J6ySlY bind(); // DataGrid1数据绑定函数
8=d9*lm \|M z'* 直接页面跳转:
~Y{K^:wN^ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
~%]+5^Ka] O_~\$b if(a<DataGrid1.PageCount)
v"`w'+ {
sS._N@f this.DataGrid1.CurrentPageIndex=a;
7j^,4; }
.m
.v$( RW'QU`N[Y bind();
zR%#Q_ , vWcWT 29.DataGrid使用:
/wQDcz @ Fu|et 添加删除确认:
#(%6urd private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
QgP
UP[ {
='(:fHhhX foreach(DataGridItem di in this.DataGrid1.Items)
w0pH|$"/P {
7>#74oy if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
d4lEd>Ni {
N)QW$iw9 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
@sP?@<C }
WkT4&|POJ }
xT%CY(:9X }
)Ipa5i>t $(BW |Pc 样式交替:
p &A3l ListItemType itemType = e.Item.ItemType;
KyjN' F$ 0ZO!_3m$r if (itemType == ListItemType.Item )
/0A}N$?>: {
V[#jrwhA e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
7a2uNt,X e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
]'hz+V31% }
zFlW\wc else if( itemType == ListItemType.AlternatingItem)
D_g+O"];P {
]`LMyt0 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
.RdnJ&K* e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
zMtx>VI }
b^0=X!bg q%nWBmPZ~y 添加一个编号列:
[5H#ay DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
gkDB8,C<j DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
HN\9d 0y*8;7-|r) for(int i=0;i<dt.Rows.Count;i++)
Uo# Pe@ieQ {
@,$>H7o dt.Rows["number"]=(i+1).ToString();
3{CXIS }
y\S}U{*Z' Mp}U>+8 DataGrid1.DataSource=dt;
up1kg>i%" DataGrid1.DataBind();
t\ ym4`" s~3"*,3@ DataGrid1中添加一个CheckBox,页面中添加一个全选框
Y-v6xUc{F private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
(m13
ong {
`j9 ;9^ foreach(DataGridItem thisitem in DataGrid1.Items)
A2..gs/ {
dj 4:r!5_ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
29:] cL(5 }
o!: }
K1Mn_)% U 1vZr{\ 将当前页面中DataGrid1显示的数据全部删除
b:2#3;) foreach(DataGridItem thisitem in DataGrid1.Items)
Lc=t,=OhGe {
m;'ebkq if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
w=,bF$:fIW {
^DD]jx string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
f<<1.4)oSV Del (strloginid); //删除函数
(cx
Q<5 }
tw,uV)xm }
FG/1!8F ka0MuQM 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)
uWkW T.>$ !ap}+_IA7^ 在Application_Start中添加以下代码:
Ejmpg_kux Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
]De<'x} AppSettings["ConnStr"].ToString();
XkDIP4v% I|(r1.[K 31. 变量.ToString()
"\3C)Nz? ~m3Q^ue 字符型转换 转为字符串
MaN6bM 12345.ToString("n"); //生成 12,345.00
3s;^p,9
Y 12345.ToString("C"); //生成 ¥12,345.00
508v:?^' 12345.ToString("e"); //生成 1.234500e+004
<- L}N ' 12345.ToString("f4"); //生成 12345.0000
~wvu7 12345.ToString("x"); //生成 3039 (16进制)
6/6M.p 12345.ToString("p"); //生成 1,234,500.00%
g%TOYZr!X QWcQtM 32、变量.Substring(参数1,参数2);
3?5JY;}h>" 6Z.Fyte 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);
%vUY|3G 0~4Ww=# 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)
E6XDn`: <SCRIPT language="javascript">
)V d^#p <!--
$t0o*i{ function gook(pws)
f\xmv|8 {
wDR/Vr"f frm.submit();
5If.[j{ }
z9Z4MXl //-->
{>g{+Eq ia@ |+r </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Z-:T')#Cf <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
@CMEmgk~ <tr>
,Wv+Ek <td>
~[<C6{ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
#zRHYZc'T| <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
f YSH]! <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
KT[ZOtu K
@RGvP <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
1%ENgb:8 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
:CLWmMC_ bbM^J </td>
dIW@L rU+3~|m </tr>
MX? *jYl ?8N^jjG </form>
SSxp!E' ,.Lwtp,n 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。
;.'?(iEB >dx/k)~~-L 下面是获取用户输入的登陆信息的代码:
`*6|2 string name;
[;H-HpBaa name=Request.QueryString["EmailName"];
kMJ}sS $GP66Ev try
60;_^v {
eSQkW int a=name.IndexOf("@",0,name.Length);
d~ +(g! f_user.Value=name.Substring(0,a);
_B>'07D0 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
^"<x4e9+j f_pass.Value=Request.QueryString["Psw"];
=p^$>o }
k4a51[SYBK T*:w1*: catch
!c`&L_ "! {
; [G: Script.Alert("错误的邮箱!");
Q3Pu<j}Y Server.Transfer("index.aspx");
URceq2_ }