1. 打开新的窗口并传送参数:
DY\J[l<< 3BG>Y(v 传送参数:
DF_X response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
lk3=4|?zsE !4(zp;WY^ 接收参数:
o]ePP, string a = Request.QueryString("id");
]fBUT6 string b = Request.QueryString("id1");
:YP # d\]Yk]r 2.为按钮添加对话框
;Hmp f0$ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
L\%orLEmK button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
0.TaXbi @WMA }\Cc 3.删除表格选定记录
k*?I>%^6#T int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
l(;Kij string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
[P~hjmJ(y OsqNB'X 4.删除表格记录警告
]QVNn?PA8 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
U75Jp%bL {
]bZ(HC?KZr switch(e.Item.ItemType)
rHjq1-t {
FAsFjRS case ListItemType.Item :
-VxDNT}Tr case ListItemType.AlternatingItem :
gw36Ec<M case ListItemType.EditItem:
oGa^/:6L TableCell myTableCell;
wE]K~y!` myTableCell = e.Item.Cells[14];
q1?&Ev^ LinkButton myDeleteButton ;
s{0aBeq myDeleteButton = (LinkButton)myTableCell.Controls[0];
8NBT|N~N myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
m3bCZ9iE break;
) ZfdQ3 default:
y5r4+2B break;
T 20&F }
Fqy\CMC t.p~\6Yi }
5Xn.CBd] lVOu)q@l7g 5.点击表格行链接另一页
x'<K\qp{{ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
zc rY>t#l {
V#REjsf,t- //点击表格打开
#@HF<'H}mu if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
$+p?Y)h . e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
LbEM^D }
UT0){%2@ [NMVoBvG 双击表格连接到另一页
u .f= te 21hv%CF\9 在itemDataBind事件中
zk-.u}RBFG if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
w| `h[/, {
js iSg/ string OrderItemID =e.item.cells[1].Text;
WHXj8*]6 ...
SZaS;hhhHu e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
[S5\#=_4S }
gzoEUp=s >zAUW[]C:I 双击表格打开新一页
86]p#n_>Fv if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
g0R~&AN!g {
ktIi$v string OrderItemID =e.item.cells[1].Text;
2 3OC2| ...
0}!\$"|D e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
*Kdda}
J+ }
p
sL?Y }\J2?Et{ ★特别注意:【?id=】 处不能为 【?id =】
P3$Q&^? 6.表格超连接列传递参数
O nQdq^UB <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
>B]'fUt5a <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
x
}Ad_#q 'AN>`\mR$ 7.表格点击改变颜色
hn#1%p6t if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
q`-;AG|xF {
(x/k.& e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
X 1
57$ this.style.color=’buttontext’;this.style.cursor=’default’;");
Zm6{n' }
F~h7{@\ '%q$`KDb 写在DataGrid的_ItemDataBound里
'>r7V if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
jv&*uYm {
'!/<P"5t e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
0lhVqy}:}o this.style.color=’buttontext’;this.style.cursor=’default’;");
R(q~ -3~ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
yKO`rtP }
+$g}4 %CK^Si%+ ZK>WW 8.关于日期格式
5[c^TJ3 feQ **wI 日期格式设定
w!fE;H8w6 DataFormatString="{0:yyyy-MM-dd}"
|PC*=ykT3 j~!X;PV3 我觉得应该在itembound事件中
~l)-wNqR4r e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
J0@X<Lt U Q~Hy%M%R3 9.获取错误信息并到指定页面
tQS5hwm* : |>Gc39`t 不要使用Response.Redirect,而应该使用Server.Transfer
+E{|63~q sBcPq SMby e.g
V4_=<W // in global.asax
P9T}S protected void Application_Error(Object sender, EventArgs e) {
17`1SGZ if (Server.GetLastError() is HttpUnhandledException)
~]QHk?[wc Server.Transfer("MyErrorPage.aspx");
A!h`]%0B 4O35"1 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
ZMel{w`n }
G K7![p V#iPj'*
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
MdvcnaCG "1%5, 10.清空Cookie
thI
F& Cookie.Expires=[DateTime];
Evedc*z~P Response.Cookies("UserName").Expires = 0
97}OL`y ZjF 4v 11.自定义异常处理
oz,e/v8~ //自定义异常处理类
s,]z[qB#$ using System;
zx)z/1 using System.Diagnostics;
zzX_q(:S (L/_^!ZX namespace MyAppException
O6LS(5j2 {
"vOwd.(?N /// <summary>
LU={")TdQ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
-4
SY=NC_ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
@0/+_2MH- /// </summary>
v_DedVhe public class AppException:System.ApplicationException
YB2VcF.LU {
)v.=jup[ public AppException()
MB]<Dyj, {
$42{HFGq if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
~XOTs }
xCc[#0R{ eQ]~dA8> public AppException(string message)
2Eu`u!jhx {
E&[{4Ml LogEvent(message);
%-1O.Q|f }
Y2~nBb .oeX"6K public AppException(string message,Exception innerException)
oU.R2\Q {
zd >t-?g LogEvent(message);
l4uMG]m if (innerException != null)
(2$p{Uf {
HK2[]G LogEvent(innerException.Message);
Q o{/@ }
M 0U0;QJ }
vVFy*#I#_[ +l<5#pazx //日志记录类
V<T9&8l+: using System;
^LoUi1j using System.Configuration;
6\q]rfQ using System.Diagnostics;
rE.;g^4p using System.IO;
]QlwR'&j/n using System.Text;
huh6 t ! using System.Threading;
b?tB(if!I P*3BB>FO namespace MyEventLog
`xqr{lhL {
|}Nn!Sj>#; /// <summary>
#."-#"0 /// 事件日志记录类,提供事件日志记录支持
CTq&-l:f /// <remarks>
:&V h? /// 定义了4个日志记录方法 (error, warning, info, trace)
?kbiMs1;u /// </remarks>
#_^Lb]jkM /// </summary>
e#$]Y?, public class ApplicationLog
j i7[nY {
#Y
a4ps_ /// <summary>
ix)M`F%P3 /// 将错误信息记录到Win2000/NT事件日志中
RC7]'4o /// <param name="message">需要记录的文本信息</param>
4NheWM6 /// </summary>
svcK?^
HTe public static void WriteError(String message)
BBwy,\o# {
3KlbP WriteLog(TraceLevel.Error, message);
gd`!tRcNY }
) l:[^$=, iJ1"at /// <summary>
g| I6'K!< /// 将警告信息记录到Win2000/NT事件日志中
O;:mCt _H /// <param name="message">需要记录的文本信息</param>
(MxQ+D\ /// </summary>
!Prg_6
` public static void WriteWarning(String message)
R{<kW9! {
k@ RDvn WriteLog(TraceLevel.Warning, message);
jaII r06 }
v3~? ;f,l 'vbsv T /// <summary>
}ppN k:B /// 将提示信息记录到Win2000/NT事件日志中
:LF? /// <param name="message">需要记录的文本信息</param>
5\:^y'g[ /// </summary>
0zmE>/O+ public static void WriteInfo(String message)
Z>:NPZODf {
`yrB->|vG WriteLog(TraceLevel.Info, message);
?PeJlpYzV }
s>7}zU] /// <summary>
S9]'?| /// 将跟踪信息记录到Win2000/NT事件日志中
m
Bu /// <param name="message">需要记录的文本信息</param>
nP$Ky1y G /// </summary>
v_+{'F public static void WriteTrace(String message)
$p#Bi-& {
zy/@
WFPE WriteLog(TraceLevel.Verbose, message);
a*lh)l<KV }
pjKWtY@=X ;=)k<6 /// <summary>
wh$sn:J /// 格式化记录到事件日志的文本信息格式
naG=Pq< /// <param name="ex">需要格式化的异常对象</param>
?+@n3]`0 /// <param name="catchInfo">异常信息标题字符串.</param>
Lb:g4A" /// <retvalue>
YxYH2*q@ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
>JHryS.j$4 /// </retvalue>
j4gF;-m< /// </summary>
g:g\>@Umo public static String FormatException(Exception ex, String catchInfo)
-$,TMqM {
\)#kquH/l StringBuilder strBuilder = new StringBuilder();
1H?
u Qy if (catchInfo != String.Empty)
I| w"/"U {
7zXvnxYE strBuilder.Append(catchInfo).Append("\r\n");
)WNzWUfn=z }
4Tb
#fH% strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
HSjlD{R return strBuilder.ToString();
3`t#UY).F }
V,lOt4b eenH0Ovv /// <summary>
#xsE3Wj-X /// 实际事件日志写入方法
##,a0s^ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
MU@UfB|;u /// <param name="messageText">要记录的文本.</param>
44ek
IV+? /// </summary>
! ` private static void WriteLog(TraceLevel level, String messageText)
\=VtHu92= {
;w{tv($$ try
T"{>t {
0fb2;&pUa EventLogEntryType LogEntryType;
sEp"D+f switch (level)
R1adWBD> {
PCHu#5j_a case TraceLevel.Error:
jl4rbzse LogEntryType = EventLogEntryType.Error;
jFQQ`O V break;
2V-
16Q'% case TraceLevel.Warning:
Z3"%`*Tmq- LogEntryType = EventLogEntryType.Warning;
(5$!MUS~9 break;
EU2$f case TraceLevel.Info:
|7'df &CA LogEntryType = EventLogEntryType.Information;
*v;2PP[^ break;
-u6bAQ case TraceLevel.Verbose:
$O&b`` LogEntryType = EventLogEntryType.SuccessAudit;
9&-dTayIz break;
zqim R#u default:
cvn@/qBq*t LogEntryType = EventLogEntryType.SuccessAudit;
"%`1]Fr break;
1{)5<!9! l }
K[I=6 d~9A+m3b_ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
zGb|) A~, //写入事件日志
F+YZE[h% eventLog.WriteEntry(messageText, LogEntryType);
e(]!GA \j@OZ }
R/~p>apg8 catch {} //忽略任何异常
6dq(T_eG }
ne>pOK<vZ } //class ApplicationLog
epA:v|S }
l5S aT,% 5Yg'BkEr 12.Panel 横向滚动,纵向自动扩展
9'fQHwsJ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Bd!bg|uO* [+rfAW>p} 13.回车转换成Tab
>6ni")Q9 <script language="javascript" for="document" event="onkeydown">
dPW#C5dm if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
tqz3zIQ event.keyCode=9;
3+)J
@(a </script>
? ^0:3$La Z)I+@2 onkeydown="if(event.keyCode==13) event.keyCode=9"
29;?I3<
* g;H=6JeG/ 14.DataGrid超级连接列
Lu?C-$a C DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
.p<:II:6 Km qMFB62 15.DataGrid行随鼠标变色
hE-h`'ha` private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
@x*c1%wg {
+%+tr*04O if (e.Item.ItemType!=ListItemType.Header)
KoOz#,() {
rMdt:` e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Yz<3JRw e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
u0JB\)(-/h }
"M<8UE \n }
A!od9W6 52@C9Q, 16.模板列
]i|h(>QWP <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
cq,S P&T~ <ITEMTEMPLATE>
+^` I?1\UF <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
QE^$=\l0 </ITEMTEMPLATE>
3lf=b~Zi) </ASP:TEMPLATECOLUMN>
y*4=c_Z :vmH]{R <ASP:TEMPLATECOLUMN headertext="选中">
GSoX<*i <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
RVZ")Z( <ITEMTEMPLATE>
xsIY7Ss U <ASP:CHECKBOX id="chkExport" runat="server" />
J4k=A7^N </ITEMTEMPLATE>
2":pE U{E <EDITITEMTEMPLATE>
~8PZ5;g <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
u}#(.)a: </EDITITEMTEMPLATE>
1vS#K=sb </ASP:TEMPLATECOLUMN>
>@U*~Nz ] ]u
s % 后台代码
GoJ.&aH $ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
KI.q@zO6| {
/MIe(,>Uh //改变列的选定,实现全选或全不选。
QJZK|* CheckBox chkExport ;
qLO4#CKCL6 if( CheckAll.Checked)
Xe3U`P7( {
R4[N:~Z$| foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
G~F b {
B7VH<;Z chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
.yMEIUm chkExport.Checked = true;
^P[e1?SZG }
g?c
xp+ }
NN%*b yK else
4)S,3G {
.UQzPnK foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
;0Q4<F {
DHyq^pJ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
qSM|hHDo) chkExport.Checked = false;
cutu DZ }
Q$a{\*[:+ }
U'k*_g }
6]&OrS[ .6ylZ 17.数字格式化
TtJH7 9)h"-H;5: 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
)cX*I gO <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Ab~3{Q]# 9"N~yKa`"K int i=123456;
B~'vCuE string s=i.ToString("###,###.00");
Q3XpHnufu+ P9/q|>F 18.日期格式化
`}D,5^9] kI,yU}<Fq 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
g!FuY/%+ [T|aw1SoN 显示为: 2004-8-11 19:44:28
t=BUN rF3wx. 我只想要:2004-8-11 】
!eGC6o}f <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
E:,/!9n ^4y,W]JUDt 应该如何改?
IDad9 Bx ]vz%iv_ 【格式化日期】
l^!
?@Kg,z 5us:adm[pD 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Z|&MKG24 `vU%*g&R 【日期的验证表达式】
kYM~d07 V |O{m2Fi A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
272q1~& ^((\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})))?$
F6LH $C -zCH**y%1 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
w0[6t#$F ^\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]))$
ZFA`s
qT t0( A4E 【大小写转换】
ZAW^/bo< HttpUtility.HtmlEncode(string);
9#23FK HttpUtility.HtmlDecode(string)
Yc`o5Q\> Fh)IgzFj 19.如何设定全局变量
0XOp3 -$t{>gO#Y Global.asax中
^gN6/>]qrY @T@<_ ?) Application_Start()事件中
v>6"j1Z JOj;^h 添加Application[属性名] = xxx;
0B[="rTS7# aacpM[{f 就是你的全局变量
H/"-Z;0{ vRznw&^E 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
3BzNi' !-g{[19\ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
R
&nPj~ DKH-Q(M56 【ASPNETMENU】点击菜单项弹出新窗口
H!@kO]?n ww)<E`eGi 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
-r!. 9q <?xml version="1.0" encoding="GB2312"?>
dydc}n <MenuData ImagesBaseURL="images/">
.fn\]rUv <MenuGroup>
!({}(!P . <MenuItem Label="内参信息" URL="Infomation.aspx" >
T5|qRlW <MenuGroup ID="BBC">
biL s+\C <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
Z
EQ@IS:Y <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
W1WYej" ......
4%{,]
q\p zp6C3RG( 最好将你的aspnetmenu升级到1.2版
S\^Pha
q 32(^Te]: 21.读取DataGrid控件TextBox值
oF vfCrd foreach(DataGrid dgi in yourDataGrid.Items)
]v?@g:iE {
#./fY;:cj TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Juo^ , tb.Text....
$&Gu)4'+ }
?(xnSW@r LY+@o<> 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
C2.HMgL !:)s"|= 〖思归〗
3D6RLu <asp:TemplateColumn HeaderText="数量">
Zj_b>O-V <ItemTemplate>
# ' =a=8-$ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
jY&k onkeyup="javascript:DoCal()"
mR!1DQ.\< />
''|W9! f<GhkDPm>? <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Yh7rU?Gj </ItemTemplate>
|O3q@ </asp:TemplateColumn>
{0r0\D>bw V[mT<Lc <asp:TemplateColumn HeaderText="单价">
2v :]tj <ItemTemplate>
Pi=+/} <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
;$HftG>B onkeyup="javascript:DoCal()"
.28<tEf />
Z~GL5]S -7SAK1c$ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
1eA7>$w}[ QemyCCP+ </ItemTemplate>
j*d
yp </asp:TemplateColumn>
S2E8Gq9 GeI-\F7b <asp:TemplateColumn HeaderText="金额">
Cwr~HY <ItemTemplate>
^0Zf,40 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
N1}c9} </ItemTemplate>
K~uXO </asp:TemplateColumn><script language="javascript">
!H#bJTXB function DoCal()
O3;u G.:1 {
ky8_UnaO var e = event.srcElement;
ht|z<XJ var row = e.parentNode.parentNode;
T=<@]$? var txts = row.all.tags("INPUT");
'-QwssE if (!txts.length || txts.length < 3)
02Y]`CXj return;
~Cbc<[} AJt+p&I[J var q = txts[txts.length-3].value;
`K*Q5n var p = txts[txts.length-2].value;
w?3p';C PYiU_ if (isNaN(q) || isNaN(p))
md=TjMaY return;
JELTo u "Hya6k>j q = parseInt(q);
IO wj>t p = parseFloat(p);
o\BOL3H 1Vsz4P"O $ txts[txts.length-1].value = (q * p).toFixed(2);
A_V]yP }
]E7F/O/. </script>
3^IpE];+:u Gq+z /Be H-WJp<_ ksc;X$f&4 &\#sI9 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
1Rq,a page_load
B|Du@^$ page.smartNavigation=true
d^@ dzNv I?]ohG K 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 ?
@#<D ^" private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
Q`~jw>x {
:D euX for(int i=0;i<e.Item.Cells.Count-1;i++)
@_-hk|Nl@ if(e.Item.ItemType==ListItemType.EditType)
$>G8_q {
m];]7uB5= e.Item.Cells.Attributes.Add("Width", "80px")
,ly\Ka?zO }
=FlDb
5t{ }
}bs+-K YA''2Ii 26.对话框
Az9?Ra;U private static string ScriptBegin = "<script language=\"JavaScript\">";
Gp1?iX?ml private static string ScriptEnd = "</script>";
>c1!p]&V R"4Vtww public static void ConfirmMessageBox(string PageTarget,string Content)
1=r#d-\tR {
4Fa~Aog string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
"C}b%aO: Hek*R?M| ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
UXeN 8 ;"KJ7p Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
mkMq ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
yu;+o3WlK //Response.Write(strScript);
t!* ?dr }
`
w=>I cT<1V!L4 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
%huRsQ%} +Um( h-; 1.1 取当前年月日时分秒
*e<[SZzYZ currentTime=System.DateTime.Now;
//*fSF T{Gj+7bQ~ 1.2 取当前年
!_"@^?,q int 年= DateTime.Now.Year;
DD7h^-x $g@=Z" 1.3 取当前月
xRJ\E }/7 int 月= DateTime.Now.Month;
, qA(\[ ^.1)};i 1.4 取当前日
={_C&57N1 int 日= DateTime.Now.Day;
!\"EFVH qUh2hz: 1.5 取当前时
-jW.TT h] int 时= DateTime.Now.Hour;
7[w,:9& } TBs|r# 1.6 取当前分
3Iua*#<m, int 分= DateTime.Now.Minute;
wE[]6\_x1 C.~,qmOP 1.7 取当前秒
Vdtry@Q int 秒= DateTime.Now.Second;
#eQJEajv5 rEv@YD
1.8 取当前毫秒
2gc/3*F8 int 毫秒= DateTime.Now.Millisecond;
gaQdG=G8$ 5}:-h> 28.自定义分页代码:
?u-|>N> PbW(%7o(t 先定义变量 :
=V-A@_^!c public static int pageCount; //总页面数
a,xycX:U public static int curPageIndex=1; //当前页面
ks"|}9\%< j`oy`78O 下一页:
tU4s'J if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
3XL#0\im?s {
Qr1 "Tk7s DataGrid1.CurrentPageIndex += 1;
~Am,%"%\ curPageIndex+=1;
4P'*umJi }
R(('/J C Qi^Z11 bind(); // DataGrid1数据绑定函数
<L`KzaA `2' #!- 上一页:
SFO({w( if(DataGrid1.CurrentPageIndex >0)
D'7SAFOM {
E7NV ^4h DataGrid1.CurrentPageIndex += 1;
XDsx3Ws curPageIndex-=1;
esHg'8?U }
0F]>Jby i8`Vv7LF bind(); // DataGrid1数据绑定函数
nKS7Q1+ B{|8#jqY 直接页面跳转:
o1Ph~|s*8 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
e]`[yf G.rrv if(a<DataGrid1.PageCount)
K17j$o^6KK {
, 0imiv this.DataGrid1.CurrentPageIndex=a;
$@"l#vJPfc }
{ WIJC',Y g>Y|9Y bind();
UADFnwR[R IT(lF 29.DataGrid使用:
ZZk=E4aae >{N9kWY 添加删除确认:
Kh,V.+7k private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
J]v%q," {
aIJt0; foreach(DataGridItem di in this.DataGrid1.Items)
s8wmCzB~ {
61.Brp.eP if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
w,w{/T+B {
j:5=s%S ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
}3o|EXx= }
W"zab }
|s"nM<ZNZ }
Nd`%5%':: !;0U,!WI 样式交替:
9
TvV= ListItemType itemType = e.Item.ItemType;
-}=i 04^ ,u!*2cWN if (itemType == ListItemType.Item )
G;&-\0>W {
1KMLG= e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
y&Mr=5:y e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
n1JRDw"e$$ }
UF?H>Y& else if( itemType == ListItemType.AlternatingItem)
/]=C{)8 {
P\w\N2 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
v\!Be[ ? e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
TcIcS]w% }
#.it]Nv{ M:-.o 添加一个编号列:
TT'[qfAI DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
)f}YW/' DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
x$IX5:E#e Qy.w=80kf for(int i=0;i<dt.Rows.Count;i++)
%ZNI:Uh {
E_k$W5 dt.Rows["number"]=(i+1).ToString();
(5R?#vj }
`&KwtvkdI L{hnU7sY DataGrid1.DataSource=dt;
VTG9$rQZ DataGrid1.DataBind();
n;(\5{a ]F; f`o DataGrid1中添加一个CheckBox,页面中添加一个全选框
o=21|z private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
qp/v^$EA {
BnCbon) foreach(DataGridItem thisitem in DataGrid1.Items)
R($KSui {
F">Qpgt ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
>}!mQ pAO }
^~G8?]w }
y9_K, g A3|Dz&@: 将当前页面中DataGrid1显示的数据全部删除
D$bIo" foreach(DataGridItem thisitem in DataGrid1.Items)
RT)d ]u {
&Rx{.9 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
q0$
!y!~ {
30XR
82P/ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
%;e/7`>Ma Del (strloginid); //删除函数
oN{Z+T : }
nx8a$vI-TY }
#Yr9AVr}K lD"(MQV@0 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
Uc_'(IyO QS{1CC9$ 在Application_Start中添加以下代码:
um4yF*3b9 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
T{Sb^-H#X AppSettings["ConnStr"].ToString();
VwOW=4`6 HRiL.DS 31. 变量.ToString()
O9EKRt EX?MA6U 字符型转换 转为字符串
|P -8HlOr 12345.ToString("n"); //生成 12,345.00
tZ^Ou89:rG 12345.ToString("C"); //生成 ¥12,345.00
\RvvHty-V 12345.ToString("e"); //生成 1.234500e+004
4g
:>[q 12345.ToString("f4"); //生成 12345.0000
po$ /7 12345.ToString("x"); //生成 3039 (16进制)
|4T!&[r 12345.ToString("p"); //生成 1,234,500.00%
7VMvF/ap]u ve%
xxn: 32、变量.Substring(参数1,参数2);
PI`jExL =dII- L=` 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);
:{IO=^D=$ qe!fk?T} 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)
jBU4F~1y <SCRIPT language="javascript">
AwslWkd= <!--
\/1<E?Q
f function gook(pws)
Td G!&:> {
/c2w/+ _ frm.submit();
d4nH_? }
E I:w
aIr //-->
D3)zk@N Y7vA`kjD-C </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Zf'TJ`S <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
)hk <tr>
*e-A6Sh <td>
emdoA:w+ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
IRn2| <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
m< 3Ao^I+ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
d1U\ft:gV yQ^($#Yk <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
<o+<H <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
~ug=
{b Nkp)Ax& </td>
6S+U&Ce\ "
t7M3i_ </tr>
LxpuhvIO 7oq[38zB </form>
'1$!jmY (HSgEs1d 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。
g_G6~-.9I e_V O3" 下面是获取用户输入的登陆信息的代码:
%-<'QYYP string name;
#/I[Jqf name=Request.QueryString["EmailName"];
tUgEeh6 2 Sh
try
NMww>80 {
]ut5S>," int a=name.IndexOf("@",0,name.Length);
$ZNu+tn
Y f_user.Value=name.Substring(0,a);
$dA-2e10 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
3"G>>nC& f_pass.Value=Request.QueryString["Psw"];
8HR mQ }
e0J6Ae4V[ ~t^eiyv catch
LrATSq@ {
Ma+$g1$ Script.Alert("错误的邮箱!");
bks/`rIA Server.Transfer("index.aspx");
ed:@C? }