1. 打开新的窗口并传送参数:
"@$STptkc yfQE8v+ 传送参数:
~7'.{VrU response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
Ms)zEy>[Ql c\MDOD%9 接收参数:
c F]3gM string a = Request.QueryString("id");
dC#\ut%l string b = Request.QueryString("id1");
mC(t;{ ><c5Humr 2.为按钮添加对话框
[zEP| Button1.Attributes.Add("onclick","return confirm(’确认?’)");
:j4
[_9\ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
p5VSSvV\K 7g+ ] 3.删除表格选定记录
%tQ{Hf~ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
`zzKD2y string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Y7kb1UG k$-~_^4m 4.删除表格记录警告
TI[UX16Tz1 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
4Ay`rG {
EAD0<I<>
switch(e.Item.ItemType)
gVnwsE {
NlF0\+h case ListItemType.Item :
{7=WU4$ case ListItemType.AlternatingItem :
+=6RmId+X case ListItemType.EditItem:
CP]S-o}yd TableCell myTableCell;
[*9YIjn myTableCell = e.Item.Cells[14];
pFsCd"zv LinkButton myDeleteButton ;
_)zmIB(}m myDeleteButton = (LinkButton)myTableCell.Controls[0];
8R\>FNk; myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
R81{<q'%X break;
h6\3vfj^f default:
_(oP{wgB break;
z/Ns5 }
"?.'{,Q `dv}a-Q)c }
)D["M$ZA^ pHen>BA[ 5.点击表格行链接另一页
{Ax)[<i private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
SZ5O89 {
_{LN{iqDv //点击表格打开
d ~{jEg if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
f0uUbJ5 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Mw"xm9(Q }
>~I
xyQp aho'|%y) 双击表格连接到另一页
ORGv)>C| ~L %Pz0Gg 在itemDataBind事件中
9wO/? if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Zm%VG(l {
0jxO |N2) string OrderItemID =e.item.cells[1].Text;
P%zH>K ...
~ X-)_zH e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
=X-^YG3x }
#ZG3|#Q=L #TMm#?lC 双击表格打开新一页
yicO!:bM if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
}3v'Cp0L {
ZCy`2Fir string OrderItemID =e.item.cells[1].Text;
QS3U)ZO$@ ...
qqnclqkw& e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
m7$8k@r }
&|v{#,ymeb ;% 2wGT ★特别注意:【?id=】 处不能为 【?id =】
SArfczoB 6.表格超连接列传递参数
16"#i <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
>(hSW~i~ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
CY34X2F IQ ){(Y 7.表格点击改变颜色
y
Wpi| if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
]JOephX2R {
B\\6# e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
B?+.2 this.style.color=’buttontext’;this.style.cursor=’default’;");
'eDJ@4Xm }
/\na;GI$ w{pUUo:< 写在DataGrid的_ItemDataBound里
Rv=DI&K%n if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
bF*NWm$Lf {
puOC60zI e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
X*i/A<Y`= this.style.color=’buttontext’;this.style.cursor=’default’;");
wMGk!N e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
*myG"@P4hW }
^$!987" _2b9QP p 7KU~(?|:h 8.关于日期格式
|'tW= oh6B3>>+ 日期格式设定
zF8'i=b& DataFormatString="{0:yyyy-MM-dd}"
&uv0G'"\ 2R]&v;A 我觉得应该在itembound事件中
baee?6 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
=+Im*mgNn petW
M@ 9.获取错误信息并到指定页面
mL woi!]m 4[TR0bM% 不要使用Response.Redirect,而应该使用Server.Transfer
9IA$z\<<w R[LsE^ e.g
k@V#HC{t // in global.asax
~]BMrgn protected void Application_Error(Object sender, EventArgs e) {
\ p4*$ if (Server.GetLastError() is HttpUnhandledException)
UNDi_6Dy Server.Transfer("MyErrorPage.aspx");
;#TaZN AVG>_$< //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
9I`Y-D }
C)Jn[/BD 2| B[tt1Z Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
y:d{jG^ JqCc;Cbd 10.清空Cookie
!"Q}R p Cookie.Expires=[DateTime];
Z)pz, Response.Cookies("UserName").Expires = 0
>`'O7.R cX:HD+wO 11.自定义异常处理
fr[3:2g-_ //自定义异常处理类
WZZ4]cC using System;
Wkzs<y" using System.Diagnostics;
]JE TeZ^/ x0Yse:RE^ namespace MyAppException
:B|Dr
v {
w~Ff%p@9 /// <summary>
QvLZg /// 从系统异常类ApplicationException继承的应用程序异常处理类。
9 [jTs3l: /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Bfr'Zdw /// </summary>
PUdM[-zjh public class AppException:System.ApplicationException
}P9Ap3? {
}LP!)|E public AppException()
i)ASsYG! {
in-C/m# if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Nt:9 MG>1 }
7v7G[n [xb]Wf public AppException(string message)
%ZP+zhn} {
c+dg_*^ LogEvent(message);
PX(pX> }
aqU'
T !xIm2+:( public AppException(string message,Exception innerException)
oU6y4yO {
"xRBE\B LogEvent(message);
up'
if (innerException != null)
wJ<Oo@snm {
l8h&|RY[ LogEvent(innerException.Message);
kcie}Be }
V DS23Bo }
9#d+RT 8ho[I] //日志记录类
z*$q8Z&7rg using System;
x35cW7R}T_ using System.Configuration;
'CZa3ux using System.Diagnostics;
Ez~'^s@ using System.IO;
)6KMHG using System.Text;
CSPKP#,B0[ using System.Threading;
fFvF\ kql0J|P? namespace MyEventLog
E m
6Qe {
R"MRnr_4K /// <summary>
3@Z#.FV~C[ /// 事件日志记录类,提供事件日志记录支持
7!y5
SX8C /// <remarks>
&UCsBqIY /// 定义了4个日志记录方法 (error, warning, info, trace)
73#x|lY /// </remarks>
!+)AeDc:j /// </summary>
ps
.]N
public class ApplicationLog
Uo12gIX {
r0d35 /// <summary>
zk*c)s /// 将错误信息记录到Win2000/NT事件日志中
U7uKRv9 /// <param name="message">需要记录的文本信息</param>
B+C);WQ, /// </summary>
'I;!pUfVp public static void WriteError(String message)
/&F,V+x {
3p2P=
T WriteLog(TraceLevel.Error, message);
yme^b
;a }
lv vs%@b> HHX-1+L /// <summary>
u]u[(K5F /// 将警告信息记录到Win2000/NT事件日志中
a22Mufl /// <param name="message">需要记录的文本信息</param>
\I"Z2N>^z /// </summary>
\<}&&SuH public static void WriteWarning(String message)
*BuUHjTv {
XU/QA
[K WriteLog(TraceLevel.Warning, message);
?Kvl!F!` }
)ZrS{vY +dA ,P\ /// <summary>
'>$]{vQ3 /// 将提示信息记录到Win2000/NT事件日志中
%sHF-n5P /// <param name="message">需要记录的文本信息</param>
.q&'&~!_ /// </summary>
?bM_q_5 public static void WriteInfo(String message)
\#o2\!@` {
WD Fjp WriteLog(TraceLevel.Info, message);
A)%A!
}
dH
^b)G4 /// <summary>
Y{%4F%Oy /// 将跟踪信息记录到Win2000/NT事件日志中
K*([9VZ /// <param name="message">需要记录的文本信息</param>
-_y~rx
> /// </summary>
D=i0e8D!+ public static void WriteTrace(String message)
dAu^{1+2 {
n;-x!Gs WriteLog(TraceLevel.Verbose, message);
xTa4.ZXg }
G=r(SJq XA&tTpfJE /// <summary>
LV}UBao5n /// 格式化记录到事件日志的文本信息格式
5@w'_#!) /// <param name="ex">需要格式化的异常对象</param>
J]n7| L /// <param name="catchInfo">异常信息标题字符串.</param>
jw`&Np2Q /// <retvalue>
N}8HK^n* /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
'<RB /// </retvalue>
k#8S`W8^ /// </summary>
Ez7V>FN X public static String FormatException(Exception ex, String catchInfo)
%0ll4" {
>K_$[qP3 StringBuilder strBuilder = new StringBuilder();
8I5 VrT if (catchInfo != String.Empty)
wu&|~@_s@ {
C }h<ldlY strBuilder.Append(catchInfo).Append("\r\n");
h 7(H%(^_ }
c~^]jqid] strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Mm>zpB`qP return strBuilder.ToString();
=`7#^7Q9 }
!T#8N7J> /ygUd8@ /// <summary>
>,]
eL /// 实际事件日志写入方法
=0@d|LeZ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
eB(S+p? /// <param name="messageText">要记录的文本.</param>
@w#gRQCl /// </summary>
ijZydn private static void WriteLog(TraceLevel level, String messageText)
Ab^>z {
1A`?y&
Ll try
i-i}`oN {
q/rHHuY} EventLogEntryType LogEntryType;
8ACYuN\ switch (level)
^H\-3/si* {
}<}`Q^Mlk case TraceLevel.Error:
|`q)/ 08b LogEntryType = EventLogEntryType.Error;
H/^TXqQ8 break;
:N+#4rtgUY case TraceLevel.Warning:
0w'y#U)&8 LogEntryType = EventLogEntryType.Warning;
V~]'+A
q> break;
xnhDW7m case TraceLevel.Info:
"dLMBY~ LogEntryType = EventLogEntryType.Information;
RIVL 0Ig break;
{g!exbVf case TraceLevel.Verbose:
~ ];6hxv LogEntryType = EventLogEntryType.SuccessAudit;
>F\rBc& break;
cmr6,3_ default:
Sf4h!ly LogEntryType = EventLogEntryType.SuccessAudit;
) v[Knp' break;
{>UMw>T[ }
'^-4{Y^2E RBK>Lws6 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
3"^)bGe //写入事件日志
`!Ge"JB6
eventLog.WriteEntry(messageText, LogEntryType);
qy42Y/8' Zjp5\+hHV }
eJ=Y6;d$ catch {} //忽略任何异常
u\1Wkxj }
PG v}fEH" } //class ApplicationLog
^7s6J{< }
TgQ|T57 _Okn P2E 12.Panel 横向滚动,纵向自动扩展
g]@R'2:1 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
0LHiOav 8O.:3%D~
t 13.回车转换成Tab
;qVEI/ <script language="javascript" for="document" event="onkeydown">
I3zitI; if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
M#lVPXS event.keyCode=9;
*F8uu. </script>
7AtXG^lK &PQ{e8w onkeydown="if(event.keyCode==13) event.keyCode=9"
v4k=NH+w i:Z.;z$1 14.DataGrid超级连接列
s!o<Pd yJK DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Y^*$PED? fssL'DD 15.DataGrid行随鼠标变色
YI),q.3X~ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
sei!9+bZr {
_ KkVI7a if (e.Item.ItemType!=ListItemType.Header)
C O%O<_C {
AFm*60C e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
h&)vdCCk e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
{R{%Z }
GLKN<2|2@y }
wmcp`8w. 7quwc'! 16.模板列
_Fh0^O@ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
8JFkeU%yO <ITEMTEMPLATE>
8s5ru) <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
Bzy=@]` </ITEMTEMPLATE>
Mn\B\ </ASP:TEMPLATECOLUMN>
?e_}X3{ h9n<ped`A; <ASP:TEMPLATECOLUMN headertext="选中">
1yRd10 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
fi4/@tV?$L <ITEMTEMPLATE>
D>x'3WYR <ASP:CHECKBOX id="chkExport" runat="server" />
.HyiPx3^ </ITEMTEMPLATE>
.
;@)5" <EDITITEMTEMPLATE>
,l?76g <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
(uK), *6B </EDITITEMTEMPLATE>
1]3bx N </ASP:TEMPLATECOLUMN>
3^-)gK a@?2T,$ 后台代码
P;' xa^Y protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
'.$va< {
h+d \u //改变列的选定,实现全选或全不选。
]
-}Zd\Rs CheckBox chkExport ;
V7}3H2]^ if( CheckAll.Checked)
Rzj1D:?X@ {
31-:xUIX foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
UB9n7L(@c {
4z*An}ol] chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Tm) (?y chkExport.Checked = true;
$C^tZFq }
L`6 R }
i*l-w4D^U else
3;-P (G@ {
)}|b6{{< foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
7^<{aE: {
3-6Lbe9H chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
FofeQ chkExport.Checked = false;
QXLHQ_V }
=,w(D~ps }
efUa[XO }
TRzL": <l!{j? Kx 17.数字格式化
Ef2i#BoZ Zog&:]P'F 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
NDYm7X*et <%#Container.DataItem("price","{0:¥#,##0.00}")%>
3D^!U}E 8H@] v@Z2 int i=123456;
Sece#K2J| string s=i.ToString("###,###.00");
Mo4k6@ht_ ApSzkPv* 18.日期格式化
8D:0Vhx\I 1G`zwfmh~ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
S!6 ? b5 /^rJ`M[; 显示为: 2004-8-11 19:44:28
c5- 56Q DNu-Ce% 我只想要:2004-8-11 】
/{%p%Q[X <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
.9VhDrCK |y.^F3PE 应该如何改?
\m%Z;xKG vlVHoF;& 【格式化日期】
tYUg%2G YMr2Dv\y 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
`;HZO8 cTa$t :K@ 【日期的验证表达式】
kps}i~Jb 8z)J rO} A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
DEt;$>tl
5 ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
So]O`RJv ALt^@|!d B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
/_i]bM7W ^\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]))$
15ImwQ i+~H~k}"X 【大小写转换】
Am=O-;
b'8 HttpUtility.HtmlEncode(string);
Nrzg>WQa HttpUtility.HtmlDecode(string)
ZmZ7E]c ,8+Jt@L 19.如何设定全局变量
=po5Q6@i pXf5/u8& Global.asax中
bix}#M ;_E][m Application_Start()事件中
9`G}GU]@} D`NQEt"( 添加Application[属性名] = xxx;
G`NGt_C %i@Jw 就是你的全局变量
{oRR]> !==C@cH<N 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
pF7S("#R 2x:aMWh HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
`W{y 2$1D+(5; 【ASPNETMENU】点击菜单项弹出新窗口
..yLtqos nACKSsWqI 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
^\FOMGai <?xml version="1.0" encoding="GB2312"?>
HfA@tZ5q|U <MenuData ImagesBaseURL="images/">
kRB2J3Nt. <MenuGroup>
*
NdL4c~ <MenuItem Label="内参信息" URL="Infomation.aspx" >
hA387? <MenuGroup ID="BBC">
e'&<DE) <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
v Yw$m#@ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
d5 U+]g ......
V,>uM
>$ 5j#XNc)" 最好将你的aspnetmenu升级到1.2版
dwmZ_m. 8&++S> < 21.读取DataGrid控件TextBox值
#<gD@Jyb u foreach(DataGrid dgi in yourDataGrid.Items)
jmva0K},SE {
A IsXu" TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
a'YK1QX tb.Text....
R;F z"J }
3<ry/{#% lvIdYf$? 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
@ \JoICz n]snD1?KX 〖思归〗
[TX5O\g![ <asp:TemplateColumn HeaderText="数量">
Q5/BEUkC <ItemTemplate>
eC*-/$D <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
o7t#yw3 onkeyup="javascript:DoCal()"
lwp(Pq />
c~{)vL0K w$[ck= <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
TZ]o6B b </ItemTemplate>
ql%]t~HR0 </asp:TemplateColumn>
^RE("'+ AJR`ohh <asp:TemplateColumn HeaderText="单价">
pXq5|,aC <ItemTemplate>
E~'QC <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
<ly.l]g onkeyup="javascript:DoCal()"
,-_\Y hY> />
$+p4X# _ Kf'oXCs <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
V]0~BV Q*l_QnfG </ItemTemplate>
jY ~7- </asp:TemplateColumn>
7~7_T#dTh @/0-`Y@? <asp:TemplateColumn HeaderText="金额">
;_?RPWZ;MO <ItemTemplate>
LSW1,}/B <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
*/E5<DO </ItemTemplate>
I,wgu:}P# </asp:TemplateColumn><script language="javascript">
?(P3ZTk?. function DoCal()
>(39K {
3v7*@(y var e = event.srcElement;
pG(%yIiAi var row = e.parentNode.parentNode;
>r~!'Pd! var txts = row.all.tags("INPUT");
9#ZR0t.cY if (!txts.length || txts.length < 3)
z 2Rg`1B return;
sQ>L3F;A` sqP (1|9 var q = txts[txts.length-3].value;
|*-&x:p7O var p = txts[txts.length-2].value;
C
lekB B0#JX
MX9 if (isNaN(q) || isNaN(p))
euc|G Xs return;
(_'Efpg| 13KfI q = parseInt(q);
";$rcg"%X p = parseFloat(p);
'o.A8su, pQf5s7 txts[txts.length-1].value = (q * p).toFixed(2);
K84VeAe }
%`1p 8>n </script>
M5>cYVG u?+i5=N9{ wYIlp M
h5>@-fEE lay)I11-> 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
RNB ha& page_load
E ) iEWc page.smartNavigation=true
SWrP0Qjc cczV}m2) 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
E+xC1U
3 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
,/bv3pE {
hxQx$ for(int i=0;i<e.Item.Cells.Count-1;i++)
_BP!{~&; if(e.Item.ItemType==ListItemType.EditType)
B %Vz -t {
ROc)LCA e.Item.Cells.Attributes.Add("Width", "80px")
Y ~%9TC }
(^4V]N& }
[~#]p9|L 4itadQS 26.对话框
(h3f$ private static string ScriptBegin = "<script language=\"JavaScript\">";
fce~a\y0 private static string ScriptEnd = "</script>";
EmO{lCENk ym~ public static void ConfirmMessageBox(string PageTarget,string Content)
c^ifHCt| {
PA_54a9/< string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
qZz?i aH!2zC\:T ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
1FfSqd [9U:: Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
r{pbUk ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
v@^P4cu; //Response.Write(strScript);
K[~fpQGbV1 }
F&= X/ Hk8pKpn3 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
U&}v1wdZ3 WY)*3? 1.1 取当前年月日时分秒
V+'C71-P currentTime=System.DateTime.Now;
+i0j3. @W+m;4 HH 1.2 取当前年
u{ +z?N int 年= DateTime.Now.Year;
H;.${u^lhd uKL4cr@ 1.3 取当前月
#5b}"xK{ int 月= DateTime.Now.Month;
[W#M(`}D EO:
VH 1.4 取当前日
K#>@T< int 日= DateTime.Now.Day;
Q6lC :cB< v:7_ZD6kR
1.5 取当前时
T}55ZpSC& int 时= DateTime.Now.Hour;
c ?H@HoF Z|
f~
1.6 取当前分
zD z"Dn9 int 分= DateTime.Now.Minute;
) ]
C"r_ lK0pr 1.7 取当前秒
yy( .| int 秒= DateTime.Now.Second;
%c"t` N" =$S|Gs 1.8 取当前毫秒
[42EqVR int 毫秒= DateTime.Now.Millisecond;
8v V<A*` n&N>$c,T27 28.自定义分页代码:
qwomc28O _ \LPP_ 先定义变量 :
Q]7}"B& public static int pageCount; //总页面数
dum(T public static int curPageIndex=1; //当前页面
S+*g T5gL 下一页:
&s>E~M0+J if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
~qu}<u)P {
%%h0 H[5* DataGrid1.CurrentPageIndex += 1;
4;D>s8dgG curPageIndex+=1;
^2}p%j> }
o_@6R"| 'U/X<LCl bind(); // DataGrid1数据绑定函数
!_No\O mRECdGst 上一页:
pzQWr*5a if(DataGrid1.CurrentPageIndex >0)
8mmHefZ}2! {
r(VGdG DataGrid1.CurrentPageIndex += 1;
<`f~Z|/-_( curPageIndex-=1;
?V{APM$x }
,.K}uW RT~6 #Caf bind(); // DataGrid1数据绑定函数
ZLS\K/F>>= M>yt\qbkA 直接页面跳转:
3G.-JLhs int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
!&f>,?wlP 0dKv%X#\ if(a<DataGrid1.PageCount)
\7d T]VV {
a3Fe42G2c| this.DataGrid1.CurrentPageIndex=a;
VQV%1f }
{ch+G~oS !8Mi+ZV bind();
rHMr8,J; 2Sha&Z*CE 29.DataGrid使用:
g{U?Y" u]uUm1Er 添加删除确认:
X%lk] &2 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
PX$_."WA {
\Q~HL_fy|Y foreach(DataGridItem di in this.DataGrid1.Items)
.*,W%r?1n6 {
iuGly~ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
ro8c-[V {
ndE" v"_H ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
so]p1@K }
$;Nw_S@ }
_C&XwCIm }
Frd` u.I l(j._j~p 样式交替:
y/\0qQ/ ListItemType itemType = e.Item.ItemType;
~ ~U, bH1MDBb2 if (itemType == ListItemType.Item )
&f_ua)cyY {
F./$nwb e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
0\DlzIO e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
'6zk>rN }
&3~_9+ else if( itemType == ListItemType.AlternatingItem)
K[s!3.u {
$>6Kn`UX e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
mO0a: i! e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Cu-z`.#}R }
gg+!e#-X f)9{D[InM^ 添加一个编号列:
JM> 4m)h# DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
YLkdT% DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
(|t)MnPfY {+@M! for(int i=0;i<dt.Rows.Count;i++)
96P3B}Dk {
&O;'?/4
S dt.Rows["number"]=(i+1).ToString();
a&)4Dv0 }
_]q%H ve 5lYzgt-oP DataGrid1.DataSource=dt;
A>Y!d9]ti DataGrid1.DataBind();
csCi0'u i8 fUzg) DataGrid1中添加一个CheckBox,页面中添加一个全选框
:!WKD@] private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
)sBbmct_S {
yIG* foreach(DataGridItem thisitem in DataGrid1.Items)
_ H$^m#h {
}813.U ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
+y Yv"J }
Y=6b oT }
t/baze;V u/h!i@_w[ 将当前页面中DataGrid1显示的数据全部删除
{=NHidi~ foreach(DataGridItem thisitem in DataGrid1.Items)
pSq3\#Twr {
y&.[Nt '+ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
N!e?K=}tL {
\q8D7/q string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
AjQ^
{P Del (strloginid); //删除函数
U*'
YGv }
?=]*r>a3 }
h|!F'F{ <p'~$vK 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
3psCV=/z F H'jP` 在Application_Start中添加以下代码:
oj7X9~ nd Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
USnKj_e AppSettings["ConnStr"].ToString();
l_!.yV{ s'V8PN+- 31. 变量.ToString()
"=unDpq] \Mv8pU 字符型转换 转为字符串
`ecuquX' 12345.ToString("n"); //生成 12,345.00
d8b'Gjwtw 12345.ToString("C"); //生成 ¥12,345.00
Hy<4q^3$G 12345.ToString("e"); //生成 1.234500e+004
EX[X|"r 12345.ToString("f4"); //生成 12345.0000
A}#@(ma7 12345.ToString("x"); //生成 3039 (16进制)
#=f ]"uM< 12345.ToString("p"); //生成 1,234,500.00%
#EpDIL
&Z+a ( 32、变量.Substring(参数1,参数2);
V 'Gi2gNaP O,_2djd 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);
|67j__XC j\nnx8`7 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)
]t|KFk!) <SCRIPT language="javascript">
S{Au%Rs <!--
}TRr*]
P<% function gook(pws)
{sy#&m(el {
eb:mp/ frm.submit();
@T1/S&F= }
Nh41o0 //-->
d8g3hyI5\ _Bh-*l?K> </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
=MG <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
Y}"|J ~ <tr>
?Z]}G <td>
0x0.[1mB <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
M6!kn~ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
3vOI=ar=L~ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
<27B*C M 1uv"5`%s <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
T}P|uP <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
#JZf]rtp LaJc;Jt$ </td>
6.~(oepu \+v_6F </tr>
<l5{!g t9m:E </form>
S'Q$N-Dy YjS|Ht-> 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
Lq
LciD {Y'DUt5j 下面是获取用户输入的登陆信息的代码:
AUoi$DF(@ string name;
kOR%<#:J name=Request.QueryString["EmailName"];
K]@^8e$( "S[VtuxPCU try
D2>EG~xWq {
guSgTUJ} int a=name.IndexOf("@",0,name.Length);
/D 8cJgH- f_user.Value=name.Substring(0,a);
^gky i/z f_domain.Value=name.Substring(a+1,name.Length-(a+1));
d2.eDEOsC f_pass.Value=Request.QueryString["Psw"];
Dw[w%uz }
x`%;Q@G Aid{PGDk catch
r9s1\7]x {
f|6%71 Script.Alert("错误的邮箱!");
=q[3/'2V$? Server.Transfer("index.aspx");
FL/y{; }