1. 打开新的窗口并传送参数:
sy=dY@W^ 90(UgK&Y 传送参数:
FNlx1U[ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
yeNvQG qZP:@r" 接收参数:
j^{b^!4~} string a = Request.QueryString("id");
01o [!n T string b = Request.QueryString("id1");
%VS 2M
#f UtPwWB_YV 2.为按钮添加对话框
SlT7L||Ww Button1.Attributes.Add("onclick","return confirm(’确认?’)");
S<9gyW button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
;xI0\a7 $i -zMa 3.删除表格选定记录
df yrn%^Ia int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
_}^u-fJ/~ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
3jS7 uU &rcdr+' 4.删除表格记录警告
|lY`9-M`I private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
Z) t{JHm: {
"H@Fe switch(e.Item.ItemType)
Eny!R@u7q {
-FaaFw:Z;A case ListItemType.Item :
cX Ma\#P case ListItemType.AlternatingItem :
~\3l!zIq case ListItemType.EditItem:
!x6IV25 TableCell myTableCell;
Wy!uRzbBv myTableCell = e.Item.Cells[14];
lZBv\JE LinkButton myDeleteButton ;
Gg}t-_M myDeleteButton = (LinkButton)myTableCell.Controls[0];
c{ 7<H myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
1j+eD:d' break;
\:h0w;34O default:
>I|<^$/ break;
@??u})^EL }
/RMer
Xj SbCJ|z#? }
-GFwFkWm vyujC`61d 5.点击表格行链接另一页
n~.% p private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
[Zh2DNp {
y%JF8R;n //点击表格打开
m+p4Mc%u if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
URk$}_39 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
GG*BN<(>! }
u!M&;QL aw]8V:)$J 双击表格连接到另一页
k,AM]H F~%|3a$Y 在itemDataBind事件中
8cB=}XgYS if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
@::lJDGVv {
\6Xn]S string OrderItemID =e.item.cells[1].Text;
J#+Op/mmo ...
*Q0lC1GQ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
BL7>dZOa }
'r6 cVBb} xS-w\vbLV 双击表格打开新一页
b#e]1Q if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
?,!uA)({n {
4_WH
6Z string OrderItemID =e.item.cells[1].Text;
uht(3 ...
$vz_%Y e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
OW?uZ<z }
9OH.&g `..EQBM ★特别注意:【?id=】 处不能为 【?id =】
z_'dRw 6.表格超连接列传递参数
3Nc'3NPQ' <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
e5QOB/e& <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
]Kof sU_{ 3Sk5I% 7.表格点击改变颜色
EkDws`@ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
GpScc'a7 {
AwtIWH*e e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
kja4!_d this.style.color=’buttontext’;this.style.cursor=’default’;");
6V+V
zDo }
=P1RdyP ShsJ_/C2 写在DataGrid的_ItemDataBound里
}F~f&<GX6 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
i[mC3ghM6, {
!'+\]eA e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
fi5YMYd1 this.style.color=’buttontext’;this.style.cursor=’default’;");
ux%&lff e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
^*HVP* }
{`($Q$Q1 QziN] Y!bpOa& 8.关于日期格式
3/SfUfWo KsZ@kTs 日期格式设定
q/A/3/ DataFormatString="{0:yyyy-MM-dd}"
O 0Vn";Q 4 )j]gm i" 我觉得应该在itembound事件中
V|+ `L- e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
F|DR <Sz>ZIISd 9.获取错误信息并到指定页面
)r-T= *xEI
Zx 不要使用Response.Redirect,而应该使用Server.Transfer
zuK/(qZ z]'|nX e.g
-$'~;O3s // in global.asax
3csm`JVK protected void Application_Error(Object sender, EventArgs e) {
B?$S~5
} if (Server.GetLastError() is HttpUnhandledException)
+ZY2a7uI Server.Transfer("MyErrorPage.aspx");
b5lk0 jA &8pCHGmV) //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
(7M^-_q]D }
0*/mc9 6 (xI)"{ 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
Tnzco z4 GN8:~x 10.清空Cookie
,R7=]~<io" Cookie.Expires=[DateTime];
SH .9!lQv Response.Cookies("UserName").Expires = 0
Gw{Gt]liq Np|:dP9#} 11.自定义异常处理
=>gyc;{2K< //自定义异常处理类
}IxY(`:qs using System;
7}. #Z using System.Diagnostics;
>1#DPU(g yBpW#1= namespace MyAppException
$q4 XcIX 7 {
sURUQ H /// <summary>
c#]'#+aH /// 从系统异常类ApplicationException继承的应用程序异常处理类。
2U-#0,ll] /// 自动将异常内容记录到Windows NT/2000的应用程序日志
ls8olLM> /// </summary>
e[d7UV[Knn public class AppException:System.ApplicationException
;u4@iN}p {
)^*9oqQ public AppException()
?$>u!V<' {
.=.yZ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
{hkM*:U }
s!8J.hD'I Dme(Knly public AppException(string message)
Co{MIuL {
Xq=!"E LogEvent(message);
z&>9
s)^- }
B:R7[G;1 _ Yb
Eo+ public AppException(string message,Exception innerException)
#u}v7{4 {
.0R/'!e LogEvent(message);
9,Crmbw8 if (innerException != null)
@lb=-oR!~ {
pgLzFY[' LogEvent(innerException.Message);
>S?C {_g }
M"$jpBN* }
pfJVE 3Hb .ZLE# //日志记录类
pIU#c&%<9 using System;
Zztt)/6* using System.Configuration;
pq/FLYiv using System.Diagnostics;
Thht_3_C,f using System.IO;
v*C+U$_3\1 using System.Text;
lx A<iQia using System.Threading;
S0Rf>Eo4 7?n*t namespace MyEventLog
}J'5EAp {
>#"jfjDuR /// <summary>
#cSw"A /// 事件日志记录类,提供事件日志记录支持
e)ZyTuj /// <remarks>
} kh/mq /// 定义了4个日志记录方法 (error, warning, info, trace)
+O.&64( /// </remarks>
Egjk^:@ /// </summary>
iOX4Kl public class ApplicationLog
886 (' {
{WM& /// <summary>
3isXgp8 /// 将错误信息记录到Win2000/NT事件日志中
wB1-|=K1 /// <param name="message">需要记录的文本信息</param>
bJG!)3cx /// </summary>
b]tA2~e public static void WriteError(String message)
WwCK K {
6N)<
o ;U WriteLog(TraceLevel.Error, message);
aPY>fy^8D }
Oo3qiw _.Z&<.lJ /// <summary>
<'o 'H /// 将警告信息记录到Win2000/NT事件日志中
%z!d4J75 /// <param name="message">需要记录的文本信息</param>
{"gyXDE1 /// </summary>
Xn
ZX *Y]" public static void WriteWarning(String message)
7(+OsE {
e GqvnNv WriteLog(TraceLevel.Warning, message);
'5OVs:)"^ }
lD;,I^Lt6 x|,aV=$o /// <summary>
`ykMh>*{ /// 将提示信息记录到Win2000/NT事件日志中
C-:SQf /// <param name="message">需要记录的文本信息</param>
1O'* X /// </summary>
*$4A|EA V public static void WriteInfo(String message)
mvL0F%\.\ {
+s*l#'Q WriteLog(TraceLevel.Info, message);
`DWi4y7 }
5 vu_D^Q /// <summary>
[#P`_hx /// 将跟踪信息记录到Win2000/NT事件日志中
=?`y(k4a /// <param name="message">需要记录的文本信息</param>
Nak'g/uP> /// </summary>
DO1N`7@o public static void WriteTrace(String message)
^NnU gj {
nY"rqILX? WriteLog(TraceLevel.Verbose, message);
c=jI.=mi3 }
~Hyyq- vhE}{ED /// <summary>
p0y0T|H^ /// 格式化记录到事件日志的文本信息格式
m|e*Jc /// <param name="ex">需要格式化的异常对象</param>
G\,A> mT/P /// <param name="catchInfo">异常信息标题字符串.</param>
uz#eO|z@o /// <retvalue>
;*37ta /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
q _T?G e /// </retvalue>
{Y@-*pL] /// </summary>
tmY-m,U public static String FormatException(Exception ex, String catchInfo)
.1[2 CjQ {
hk lO:,` StringBuilder strBuilder = new StringBuilder();
nX.s h if (catchInfo != String.Empty)
dx?njR {
r3BDq strBuilder.Append(catchInfo).Append("\r\n");
~D`oP/6 }
S'%cf7Z strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
t\|K" return strBuilder.ToString();
asmW
W8lz }
abJ@>7V d'x<F[`O /// <summary>
"e7$q&R
| /// 实际事件日志写入方法
F)<G]i8n~ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
h2/1S{/n] /// <param name="messageText">要记录的文本.</param>
hOrk^iYN= /// </summary>
+k(3+b$S- private static void WriteLog(TraceLevel level, String messageText)
)R
a/
{
RwE*0 T try
Cf1wM:K|8 {
SFk11 EventLogEntryType LogEntryType;
`9Q,=D+ switch (level)
\Zz= 4
j {
8a$jO+UvN case TraceLevel.Error:
{GH`V}Ob LogEntryType = EventLogEntryType.Error;
x}8T[ break;
sKG~<8M} case TraceLevel.Warning:
i37a}.; LogEntryType = EventLogEntryType.Warning;
]stLC; nI break;
g`5`KU| case TraceLevel.Info:
Uc4L|: LogEntryType = EventLogEntryType.Information;
GZhfA ;O, break;
d;jJe0pH case TraceLevel.Verbose:
}^Ua LogEntryType = EventLogEntryType.SuccessAudit;
<{z3p:\ break;
Lugk`NUvF default:
^* /v,+01f LogEntryType = EventLogEntryType.SuccessAudit;
kO`3ENN break;
k.%W8C<Pa }
1KIq$lG{ E o YI=p3l EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
zs]/Y2 //写入事件日志
LG@c)H74 eventLog.WriteEntry(messageText, LogEntryType);
L};;o+5uJD ,w/mk$v }
nXeK,C catch {} //忽略任何异常
l^eNZ3:H }
<11Tqb } //class ApplicationLog
J&U0y }
8,H5G` t ]I(98pY 12.Panel 横向滚动,纵向自动扩展
vhquHy.qi# <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Q"K >ML>0 A7,$y!D 13.回车转换成Tab
2p;}wYt <script language="javascript" for="document" event="onkeydown">
V8U`%/`N if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
A*;^F]~' event.keyCode=9;
g;Sg
2 </script>
)6R#k8'ERr !9<RWNKV)Y onkeydown="if(event.keyCode==13) event.keyCode=9"
=!P?/ Iv|WeSL. 14.DataGrid超级连接列
"KI,3g _V DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
53+rpU_ d_7Xlp@ 15.DataGrid行随鼠标变色
J)yy}[Fx private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
lbuW*) {
=UKR<@QrK if (e.Item.ItemType!=ListItemType.Header)
.gkPG'm[ {
Md?bAMnG+} e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
_kY[8e5 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
dV=5_wXZ$ }
%WT:RT_ }
qfH~h g Gx* 0$4xJ3 16.模板列
[.Wt,zrE <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
v7OV;ea$ <ITEMTEMPLATE>
.fh?=B[o# <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
M^JZ]W( </ITEMTEMPLATE>
$\@ V4 </ASP:TEMPLATECOLUMN>
,t&-`U]AX tD0>(41K <ASP:TEMPLATECOLUMN headertext="选中">
[dF=1E>W_J <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
w{O3P"N2 <ITEMTEMPLATE>
lnC Wu@{ <ASP:CHECKBOX id="chkExport" runat="server" />
|tJ%:`DGw </ITEMTEMPLATE>
#`L}. <EDITITEMTEMPLATE>
aE cg_es <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
g*c\'~f; </EDITITEMTEMPLATE>
/uz5V/i0 </ASP:TEMPLATECOLUMN>
._8cJf.ae = SJF\Z 后台代码
%iS]+Sa.K protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
+2fJ {
@[kM1:G-F{ //改变列的选定,实现全选或全不选。
Jx>B %vZ\ CheckBox chkExport ;
pD6g+Taj if( CheckAll.Checked)
;I))gY-n {
DfzUGX foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
l5OV!<7~X {
iai4$Y(% chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
:E&T}RN chkExport.Checked = true;
MH8%-UV }
Z#t)Z " }
6F&]Mk]V8 else
K2MNaB {
iEgM~ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
59Q Q_#> {
32|L
$o chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
$H@)hY8wA chkExport.Checked = false;
}=m?gF%3 }
jMWwu+w }
+U)|&1oa }
bnY8.Lpf| UpseU8Wo 17.数字格式化
FRQ("6( jLS]^| 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
{ro!OuA <%#Container.DataItem("price","{0:¥#,##0.00}")%>
7`<? fO X6*y/KGN int i=123456;
&r5%WRzpYT string s=i.ToString("###,###.00");
+siNU#! 8Y~T$Yj^ 18.日期格式化
>upUY(3& PyxN _agf 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
mFoK76 DSZhl-uGM 显示为: 2004-8-11 19:44:28
AbI*/|sY 4x?u5L
9o 我只想要:2004-8-11 】
9.#R?YP$ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
>8;%F<o2 d4h(F,K7V 应该如何改?
C{,] 1X6g zYF&Dv/u/ 【格式化日期】
)0d".Q|v4 bK;aV& 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
IeI%X\G vk+%#w 【日期的验证表达式】
ZjW| qb
!enz05VW6. A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
(IHBib " ^((\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})))?$
XTaWd0Y !;C(pnE B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
*xTquV$ ^\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]))$
9,> Y HFWm}vA: 【大小写转换】
&:f'{>3z HttpUtility.HtmlEncode(string);
WzbN=&
C]h HttpUtility.HtmlDecode(string)
VD`2lGdF p)&\>
19.如何设定全局变量
l"y9XO| =d.W'q| Global.asax中
`3P62M< K5rj!*x.o Application_Start()事件中
\1'R}B@; I>~BkR+u%o 添加Application[属性名] = xxx;
7:E#c"S
q 6Q.whV%y 就是你的全局变量
[m[~A|S Dx*oSP.qX 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
GJfNO- 'c(Y")QP HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
~cj:AIF E?D{/k,zZ 【ASPNETMENU】点击菜单项弹出新窗口
FGhrf 0M2+?aKif 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
]!o,S{a& <?xml version="1.0" encoding="GB2312"?>
'z!#E!i <MenuData ImagesBaseURL="images/">
f|1FqL+T] <MenuGroup>
grAL4 <MenuItem Label="内参信息" URL="Infomation.aspx" >
[7w_.(f# <MenuGroup ID="BBC">
>M85xjXP <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
7gmMqz"z(> <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
*`'%tp"'+ ......
,8?*U]} &?sjeC_ 最好将你的aspnetmenu升级到1.2版
usf(U> =C1Qo#QQ% 21.读取DataGrid控件TextBox值
([o:_5/8I foreach(DataGrid dgi in yourDataGrid.Items)
]=<@G.[= {
vg1s5Yqk TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
_!1c.[\T tb.Text....
y+R$pzX }
#N}}8RL sswAI|6ou 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
5g7}A` W?Abx 〖思归〗
?+o7Y1 k, <asp:TemplateColumn HeaderText="数量">
T7_rnEOO <ItemTemplate>
58U[r)/ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
5j5t?G;d, onkeyup="javascript:DoCal()"
^qr[?ky]& />
oYx
f((x 98nLj9 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Q_Squuk </ItemTemplate>
UpBYL?+L </asp:TemplateColumn>
RVy 87_J1 >&Lu0oHH <asp:TemplateColumn HeaderText="单价">
NZ9,9 <ItemTemplate>
k
rjd:*E <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
baG I(Dk onkeyup="javascript:DoCal()"
k-0e#"B />
uRhH_c-6C PMZzzZ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
K%_JQ0` <)rH8]V </ItemTemplate>
?IO/zkeXg </asp:TemplateColumn>
3_-m>J**
W7>_nK+g? <asp:TemplateColumn HeaderText="金额">
%'5 wwl <ItemTemplate>
74wa <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
D)6|| z} </ItemTemplate>
RlIqH;n </asp:TemplateColumn><script language="javascript">
oC>~r1.j function DoCal()
o:ob1G[p% {
;%9ZL[- var e = event.srcElement;
o62gLO]z@ var row = e.parentNode.parentNode;
wj~8KHan var txts = row.all.tags("INPUT");
f2f$aZ if (!txts.length || txts.length < 3)
^E*C~;^S return;
)A;<'{t #L f89<o#bm7h var q = txts[txts.length-3].value;
36UWoo var p = txts[txts.length-2].value;
Yb/^Qk59 mz'8
if (isNaN(q) || isNaN(p))
v9kzMxs, return;
]TN}`] Np_6ZUaqz q = parseInt(q);
obGSc)?j p = parseFloat(p);
JDlIf %&GQ]pmcY txts[txts.length-1].value = (q * p).toFixed(2);
Fd'L:A~ }
<h0ptCB </script>
%)]RM/e8 Rvo<ISp 8yl/!O,v tJ3s#q6 2Z |kf9 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。
|3@]5f& page_load
'KG`{K$ page.smartNavigation=true
]ORat.*0[T $R4\jIewV 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
ZrBxEf$f private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
4f5$^uN$qA {
ttrp|( for(int i=0;i<e.Item.Cells.Count-1;i++)
hG)lVo!L4j if(e.Item.ItemType==ListItemType.EditType)
n_hD {
vkLG<Y e.Item.Cells.Attributes.Add("Width", "80px")
UzXbaQQ2g }
>dY"B$A> }
PX'%)5:q;i #UIg<: 26.对话框
HN%ZN} private static string ScriptBegin = "<script language=\"JavaScript\">";
k5M(Ve private static string ScriptEnd = "</script>";
"m5ZZG#R` v-qS 'N4 public static void ConfirmMessageBox(string PageTarget,string Content)
dRmTE {
yKJp37R string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
_>l,%n A 78{b^0* ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
C: cu1Y9 =?hlgQ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
#'oKkrl ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
[g_@<?zg //Response.Write(strScript);
]2'~e,"O }
TB\CSXb .X9^ A,9 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
F9" K ^,gKA\Wli 1.1 取当前年月日时分秒
5`Z#m:+u currentTime=System.DateTime.Now;
0fNBy^(K IA'AA|v 1.2 取当前年
@VAhmYz int 年= DateTime.Now.Year;
'M{_S wVTo7o%U 1.3 取当前月
va.wdk g int 月= DateTime.Now.Month;
),eiJblH $?YkgK 1.4 取当前日
oR } int 日= DateTime.Now.Day;
+ h&V; fA^ O 1.5 取当前时
M?o`tWLhF int 时= DateTime.Now.Hour;
=O<BMq{d AJ /_l; 1.6 取当前分
}PJ:9<G
y int 分= DateTime.Now.Minute;
2ou?:5i 60Z)AQs;+J 1.7 取当前秒
:H{8j}" int 秒= DateTime.Now.Second;
mB\|<2 U?>cm`DBP 1.8 取当前毫秒
qeYr= %)c int 毫秒= DateTime.Now.Millisecond;
1/HZY0em vL7}0n>tz 28.自定义分页代码:
5+r#]^eQY- Tq+pFEgQ`@ 先定义变量 :
n8Fi?/ public static int pageCount; //总页面数
Jor?;qo3 public static int curPageIndex=1; //当前页面
STMcMm3 %lxo?s@GE 下一页:
01$SvLn: if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
$H}Q"^rs {
K+Qg=vGY DataGrid1.CurrentPageIndex += 1;
%-dGK)? curPageIndex+=1;
mon(A|$|j }
8b/yT4f q b'ka+X bind(); // DataGrid1数据绑定函数
aSj$62G" xab[ 上一页:
$f%_ 4 = if(DataGrid1.CurrentPageIndex >0)
=uH`EkY: {
x]:mc%4-Z DataGrid1.CurrentPageIndex += 1;
dNR4h curPageIndex-=1;
|@+
x9|'W }
:;EzvRy PHoW|K_e bind(); // DataGrid1数据绑定函数
J_,y?}.e3 8K qv)FjB
直接页面跳转:
!O\r[c int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
8PQ& 7o rRMC<.= if(a<DataGrid1.PageCount)
t|//oEY {
~b+>o this.DataGrid1.CurrentPageIndex=a;
wo/H:3^N }
`is6\RH !tVV +vT# bind();
7]Z*]GRX 3^Ex_jeB 29.DataGrid使用:
sXFD]cF iL(E`_I< 添加删除确认:
e&:fzO<~I private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
L6FUC6x" {
r8qee$^M foreach(DataGridItem di in this.DataGrid1.Items)
yF*JzE 7, {
Z7(hW,60 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
g+f{I'j {
wL*z+>5 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
.{6TX"M }
kys?%Y1 }
MRs8l }
xKxWtZ0 u5lj+? 样式交替:
p7z#4 GW ListItemType itemType = e.Item.ItemType;
),n?" Yy&0b(m U if (itemType == ListItemType.Item )
2$jY_{B+x {
ZnQnv@{8l e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
<1"6`24 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
dM
QnN[d6 }
4m~\S)ad else if( itemType == ListItemType.AlternatingItem)
Axr'zc {
!nu#r$K( e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
6A%Y/oU+2 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
'?QZ7A }
i'a M#4V 9J<KR#M 添加一个编号列:
Th-zMQ4 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
{MIs%w.G DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
wc;5tb# L-fAT'!' for(int i=0;i<dt.Rows.Count;i++)
'+`CwB2 {
(\]_/ W dt.Rows["number"]=(i+1).ToString();
REHfk6YE }
?&?y-&.5- LnBkd:>} DataGrid1.DataSource=dt;
4kx#=MLt DataGrid1.DataBind();
1j}o.0\ (A1 !)c DataGrid1中添加一个CheckBox,页面中添加一个全选框
BYu|loc private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
e Q0bx& {
?L_#AdK foreach(DataGridItem thisitem in DataGrid1.Items)
&v