1. 打开新的窗口并传送参数:
R4}G@&Q L~V
63K 传送参数:
DC*|tHl response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
h bj^!0m {NE;z<,*: 接收参数:
/eR @&!D ' string a = Request.QueryString("id");
~C=`yj string b = Request.QueryString("id1");
8%7H
F: n<yV]i$ 2.为按钮添加对话框
TO[5h Y\ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Q}]:lmqH button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
3v:RLnB : M0LAN 3.删除表格选定记录
.(;k]UP int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
@tjC{?5Y string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
\{?v|%n=/i ~"EkX 4.删除表格记录警告
wb 4 4 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
ZH:#~Zyj {
hUGIy( switch(e.Item.ItemType)
G`|mP:T:o {
KUH&_yCRB case ListItemType.Item :
snj4MA@I] case ListItemType.AlternatingItem :
zGZe|- case ListItemType.EditItem:
biGaP#"0 TableCell myTableCell;
GLc+`,. myTableCell = e.Item.Cells[14];
L6$,<}l LinkButton myDeleteButton ;
1Sz5&jz myDeleteButton = (LinkButton)myTableCell.Controls[0];
>!? f6
{\| myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
xNxIqq<k break;
k1-?2kf"{ default:
B5B'H3@ break;
w/G5I )G }
s'\"%~nF< .:RoD?px }
[Z
Ea3/ |hp_X>Uv' 5.点击表格行链接另一页
O";r\Z private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
QS=n
50T, {
s3kh (N //点击表格打开
0?,EteR if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
C<w9f e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
+$},Hu69j }
"
I`YJEv (a7IxW 双击表格连接到另一页
w #(XiH* GUat~[lUrj 在itemDataBind事件中
|Z 3POD"9 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
8agd{bxU {
^@X
=v`C string OrderItemID =e.item.cells[1].Text;
N@)4H2_u \ ...
Pn 7oQA\ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
d:sUh }
NqqLRgMOR' z8z U3? 双击表格打开新一页
wm2Q(l*HH if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
>>^c_ 0"O {
oF,8j1 string OrderItemID =e.item.cells[1].Text;
, is
.{y ...
VdK-2O(.- e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
UQW;!8J#R( }
>y]YF3? AS;{O>}54 ★特别注意:【?id=】 处不能为 【?id =】
`m'2RNSc+# 6.表格超连接列传递参数
B u4N~0 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
*QLl
jGe <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
4\sS -JwH^*Ad 7.表格点击改变颜色
fngZ0k! if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
-QS_bQG% {
,rX!V=Z5 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
<Bu*: O this.style.color=’buttontext’;this.style.cursor=’default’;");
$$qhX]^~ }
>Ckb9A gn(n</\/O 写在DataGrid的_ItemDataBound里
3v0)oK if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Nt/*VYUn {
<j,7Z>Rk\x e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
OgfQGGc this.style.color=’buttontext’;this.style.cursor=’default’;");
p3^7Hr e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
>{GC@Cw }
/h2`?~k+ O4$:
xjs `hH1rw@7< 8.关于日期格式
=}c~BHT )XO2DY1/& 日期格式设定
P$4?-AZ DataFormatString="{0:yyyy-MM-dd}"
_TX.}167;- |y'q`cY 我觉得应该在itembound事件中
VCc4nn# e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
_'j>xK &x=<>~Ag3 9.获取错误信息并到指定页面
89 (k<m 7?hCt 不要使用Response.Redirect,而应该使用Server.Transfer
?on3z $<33E e:a e.g
Uc9Uj // in global.asax
g]d"d protected void Application_Error(Object sender, EventArgs e) {
=ARI* if (Server.GetLastError() is HttpUnhandledException)
#),QWTl3 Server.Transfer("MyErrorPage.aspx");
qvk?5#B {I2j Lc //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
kc"U)> }
\*_a#4a t5e(9Yhj Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
*2@q=R-1 C8G['aQ 10.清空Cookie
8@$QN4^u^ Cookie.Expires=[DateTime];
$rjv4e}7 Response.Cookies("UserName").Expires = 0
cIgFSwQ4 jJ?3z,h 11.自定义异常处理
J-,T^Wv //自定义异常处理类
bq
~'jg^# using System;
45-pJf8F using System.Diagnostics;
/-4%ug tD$ O>k. sO
< namespace MyAppException
C2`END; {
eN jC.w9 /// <summary>
,g\.C+.S /// 从系统异常类ApplicationException继承的应用程序异常处理类。
,%ajIs"Gi /// 自动将异常内容记录到Windows NT/2000的应用程序日志
l{y~N /// </summary>
~sA}.7 public class AppException:System.ApplicationException
\j K?R
6 {
3cOXtDV YT public AppException()
*YDx6\><
{
}D|"$* if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
u(REEc~nj }
+*|E%pq LL,~&5{ public AppException(string message)
v=X\@27= ? {
mY%PG LogEvent(message);
a!>AhOk. }
FNm8j#c~Q ;#j/F]xG public AppException(string message,Exception innerException)
Y}Qu-fm {
XVI+Y LogEvent(message);
XE>XzsnC if (innerException != null)
p6ZKyi {
.Wa6?r<g LogEvent(innerException.Message);
8`*`4m }
r<bg->lX }
i@g6%V= sjzZl*GSy //日志记录类
kU#$ using System;
L:%h]- using System.Configuration;
0,VbB7 z using System.Diagnostics;
q&P" using System.IO;
I/'jRM using System.Text;
lual'~ using System.Threading;
G-;pMFP(? s=KA(4p namespace MyEventLog
,Ma$:6`f {
5SK.R;mn /// <summary>
-$mzzYH /// 事件日志记录类,提供事件日志记录支持
U:IQWl C /// <remarks>
jdoI)J@9H /// 定义了4个日志记录方法 (error, warning, info, trace)
<
Gu
s9^_ /// </remarks>
$aVcWz% /// </summary>
UHxXa*HyI public class ApplicationLog
Pu}2%P)p {
`[`eg<xj /// <summary>
Wk$%0xZ7 /// 将错误信息记录到Win2000/NT事件日志中
jI y'mGaG /// <param name="message">需要记录的文本信息</param>
E7 7Au;TL /// </summary>
G2e m>W_n public static void WriteError(String message)
"\e9Y< {
*VL-b8'A< WriteLog(TraceLevel.Error, message);
TT29LC@ }
;H}?8L _\u'~wWl /// <summary>
X}S<MA` /// 将警告信息记录到Win2000/NT事件日志中
6rR}qV,+{ /// <param name="message">需要记录的文本信息</param>
-1U]@s /// </summary>
1 "4AS_Q public static void WriteWarning(String message)
2.2 s>?\ {
<ZCjQkka>r WriteLog(TraceLevel.Warning, message);
$@DXS~UQA }
!$&K~>` 7MBz&wE^f /// <summary>
n.Ekpq\ /// 将提示信息记录到Win2000/NT事件日志中
$e0sa=/ /// <param name="message">需要记录的文本信息</param>
AC
3 ;i /// </summary>
t&-7AjS5 public static void WriteInfo(String message)
[,lBY-Kz+ {
y5oiH WriteLog(TraceLevel.Info, message);
MF>?! ! }
C/lpSe /// <summary>
H!7/U_AH /// 将跟踪信息记录到Win2000/NT事件日志中
T}U`?s`) /// <param name="message">需要记录的文本信息</param>
zi<C5E` /// </summary>
?n[+0a:8E public static void WriteTrace(String message)
UXe @c@3 {
:5p`H WriteLog(TraceLevel.Verbose, message);
W${0#qq }
hXZk$a' S{&; /// <summary>
^F_c' /// 格式化记录到事件日志的文本信息格式
7eZ,;
x /// <param name="ex">需要格式化的异常对象</param>
6J-tcL*4"% /// <param name="catchInfo">异常信息标题字符串.</param>
~|+ /// <retvalue>
[_CIN /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
w 8T#~Dc /// </retvalue>
.hn"NXy /// </summary>
[9*+s public static String FormatException(Exception ex, String catchInfo)
@_0XK)pW {
[?_^Cy StringBuilder strBuilder = new StringBuilder();
_PQQ&e)E if (catchInfo != String.Empty)
F DXAe-|Q {
{QJJw}!# strBuilder.Append(catchInfo).Append("\r\n");
td{$c6 }
V\4'Hd strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
'V } -0 return strBuilder.ToString();
3-z57f,}6~ }
[N.4i"
Cd %nT!u!# /// <summary>
1@;Dn' /// 实际事件日志写入方法
"){"{~ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
P;][i| x /// <param name="messageText">要记录的文本.</param>
T[q2quXgk /// </summary>
'\=aSZVO private static void WriteLog(TraceLevel level, String messageText)
`BF +)fs {
~xkcQ{ try
FAo\`x {
wNq#vn EventLogEntryType LogEntryType;
8FU8E2zo switch (level)
}cEcoi<v! {
9K~X}]u case TraceLevel.Error:
<Zn]L: LogEntryType = EventLogEntryType.Error;
b-\ 1D;] break;
2w+w'Ag_R case TraceLevel.Warning:
(HDR}!.E LogEntryType = EventLogEntryType.Warning;
i=nd][1n break;
?7*.S Lt case TraceLevel.Info:
5{L~e>oS9 LogEntryType = EventLogEntryType.Information;
]]V|[g&aJ break;
6 -N 442 case TraceLevel.Verbose:
(gQP_Oa( LogEntryType = EventLogEntryType.SuccessAudit;
4*P#3 B'@V break;
2V:`': default:
!%?O`+r LogEntryType = EventLogEntryType.SuccessAudit;
nD{o8; break;
:[kfWai #( }
fX2sjfk #Ipi 3 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
F}wy7s2i //写入事件日志
Kejp7okb eventLog.WriteEntry(messageText, LogEntryType);
wQEsq< d)1 d0ES }
jEVDz catch {} //忽略任何异常
of659~EIW }
m%]1~b}" } //class ApplicationLog
)%dxfwd6 }
j
4!$[h l|9'M'a 12.Panel 横向滚动,纵向自动扩展
Je5}Z.3m <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
u5;;s@{Ye4 qHaH=g% 13.回车转换成Tab
@IhC:Yc <script language="javascript" for="document" event="onkeydown">
OD]`oJ| if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
J}BN}|Y@2 event.keyCode=9;
X6*4IE </script>
9sG]Q[:.] N?`V;`[ onkeydown="if(event.keyCode==13) event.keyCode=9"
-M5vh~Tp . |%n"{ 14.DataGrid超级连接列
f$ 9O0,}%O DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
hK+6S3-Ez ;x%"o[[> 15.DataGrid行随鼠标变色
SO4?3wg7 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
EMQGP<[ {
\Kr8k`f if (e.Item.ItemType!=ListItemType.Header)
`,QcOkvbC {
_t&`T e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
%e^GfZ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
0v+-yEkw }
l0 =[MXM4 }
/s*.:cdH e`n+U-)z 16.模板列
R!f<6l8#W <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
txE=AOY5 <ITEMTEMPLATE>
t.y-b`v <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
<yl%q*gls </ITEMTEMPLATE>
z_93j3# </ASP:TEMPLATECOLUMN>
O,6Wdw3+-3 ~=va<%{
U <ASP:TEMPLATECOLUMN headertext="选中">
;NU-\<Q{ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
VWq]w5oQO <ITEMTEMPLATE>
'_d4[Olu <ASP:CHECKBOX id="chkExport" runat="server" />
o1`\*]A7J </ITEMTEMPLATE>
I+=+ ,iXhB <EDITITEMTEMPLATE>
b:Z&;A|"{ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
A:yHClmn </EDITITEMTEMPLATE>
3P@D!lV&K </ASP:TEMPLATECOLUMN>
E75/EQ5p]p v5>A1\ 后台代码
<qg4Rz\c] protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
*5IB@^< {
:*f 2Bn //改变列的选定,实现全选或全不选。
&AN1xcx\ CheckBox chkExport ;
%UAF~2]g if( CheckAll.Checked)
X NgcBSD {
CP~mKmMV foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
m9vX8;. {
2n)?)w]!M chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
85YUqVi9 chkExport.Checked = true;
y];-D>jk }
C];P yQS }
wBcoh~
(y else
q3AqU?f {
s1q8r!2\w foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
+D@5zq:5 {
rtS' 90` chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
l+[:Cni chkExport.Checked = false;
R&9FdM3K`: }
lD[37U! }
P #O2MiG }
K>dB{w#gS om`T/@_, 17.数字格式化
D"rbQXR7$ #MKM.T,\t 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
#=t/wAE y: <%#Container.DataItem("price","{0:¥#,##0.00}")%>
T]ls&cW5 4vEP\E3u<j int i=123456;
=*&[K^ string s=i.ToString("###,###.00");
l|=4FIMD zw['hqW 18.日期格式化
f. "\~ xNzGp5H 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
I]^>>>p$ CJ*
D 显示为: 2004-8-11 19:44:28
_Z23lF9 8LbwEKl 我只想要:2004-8-11 】
)\|+G5#` <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
]QhTxrF" W7^[W. 应该如何改?
5BJE -~mgct5 【格式化日期】
$#q`Y+;L2 Pg%9hejf3 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
?3=G'Ip5n X/yq<_ g 【日期的验证表达式】
p&h?p\IF z Fo11;*D A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
f<NR6],} ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
G
5;6q ?@
F2Kv B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
3''Sx8p ^\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]))$
]1|P|Jp maXg(Lu 【大小写转换】
d'RvpoM HttpUtility.HtmlEncode(string);
D7;9D*o\ HttpUtility.HtmlDecode(string)
6RnzT d 64<;6* 19.如何设定全局变量
8NWo)y49H pFv u,Q" Global.asax中
aYWWln $VuXr=f} Application_Start()事件中
){*+s RBW %up?70 添加Application[属性名] = xxx;
;f[lq^eV E5w;75, 就是你的全局变量
9af.t <Dd>- K 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
+!/ATR%Uci 5o#JHD HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
{~3QBMx6 `7CK;NeT 【ASPNETMENU】点击菜单项弹出新窗口
[d: u( 0B}4$STOo[ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
H$KO[mW} <?xml version="1.0" encoding="GB2312"?>
K:wI'N"N <MenuData ImagesBaseURL="images/">
%2?+:R5. <MenuGroup>
xT%`"eM} <MenuItem Label="内参信息" URL="Infomation.aspx" >
n t}7|h| <MenuGroup ID="BBC">
p;O%W@n" <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
5% 2A[B <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
}yz>(Pq ......
# ]7Lieh[5 kAki9a(=! 最好将你的aspnetmenu升级到1.2版
D|N4X`T`
.Q{RTp 21.读取DataGrid控件TextBox值
SIe!=F[ foreach(DataGrid dgi in yourDataGrid.Items)
23s;O)) {
EY,jy]|# TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
^[M{s(b tb.Text....
gc9R;B1 }
*doNPp)m M|WBJ'#x0 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
fpD$%.y'J CM;b_E)9)f 〖思归〗
Zw.8B0W <asp:TemplateColumn HeaderText="数量">
7>FXsUt_ <ItemTemplate>
=<HDek <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
Ld4U onkeyup="javascript:DoCal()"
UB/> Ro />
ZJYn[\] Qp>leEs]+6 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
CU'JvVe3 </ItemTemplate>
J ^'El^F </asp:TemplateColumn>
Zxa.x?:?n t`Kbm''d[ <asp:TemplateColumn HeaderText="单价">
6b2UPI7m~ <ItemTemplate>
@Z jT_ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
lQn"
6o1 onkeyup="javascript:DoCal()"
U2q6^z4l />
Xz$4cI#n: {>]\< <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
p3I"LY 3JCo!n0 </ItemTemplate>
+yGQt3U </asp:TemplateColumn>
,T$ts qJhsMo2IH <asp:TemplateColumn HeaderText="金额">
j~CnMKN <ItemTemplate>
(|gQ
i{8 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
)@PnpC%H </ItemTemplate>
L, JQ\!c </asp:TemplateColumn><script language="javascript">
=!q%
1 mP function DoCal()
JMb_00r {
oQ$yr^M var e = event.srcElement;
p0+^wXi) var row = e.parentNode.parentNode;
bSB%hFp=Cp var txts = row.all.tags("INPUT");
SmRlZ!%e if (!txts.length || txts.length < 3)
XYEwn_Y return;
IG781:,/ fab'\|Y var q = txts[txts.length-3].value;
,X4e?$7g var p = txts[txts.length-2].value;
d2rs+- #36QO if (isNaN(q) || isNaN(p))
g^ AQBF return;
N[%u>! T$4{fhV
\ q = parseInt(q);
Sc)^k p = parseFloat(p);
_?{7%(C JJ?{V: txts[txts.length-1].value = (q * p).toFixed(2);
Ei;tfB }
C|'DKT4M& </script>
"yWw3(V2> PRKZg]? o/5-T4 ex3Qbr *ByHTd 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
*rxr:y#Ve page_load
v}B%:1P4 page.smartNavigation=true
Ve,g9 I !"<[& 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
L P<A q private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
_plK(g-1J% {
-d ntV= for(int i=0;i<e.Item.Cells.Count-1;i++)
}z3j7I if(e.Item.ItemType==ListItemType.EditType)
g'0CYY {
^D yw(>9 e.Item.Cells.Attributes.Add("Width", "80px")
{ e|qQ4~h }
x#rgFY,TY }
dP5x]'"x @/2Kfr 26.对话框
NvR{S /Z private static string ScriptBegin = "<script language=\"JavaScript\">";
(O.%Xbx3 private static string ScriptEnd = "</script>";
&#r+a' LQ+/|_(. public static void ConfirmMessageBox(string PageTarget,string Content)
>I5:@6
Z {
B9v>="F string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
T1LYJ]5 80xr zv ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
HU3:6R& +7Ws`qhEe Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
pLMt2G ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
Sg#XcTG //Response.Write(strScript);
G7Nw}cVJ) }
zWsr|= [ i\R0+O{ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
OM*_%UF ua\t5M5 1.1 取当前年月日时分秒
&C 9hT currentTime=System.DateTime.Now;
3h@]cWp FDHW'OP4 1.2 取当前年
^t>mdxuq int 年= DateTime.Now.Year;
LPk@t^[ fi+}hGj(r 1.3 取当前月
. [|UNg int 月= DateTime.Now.Month;
&|yLTx IwYeKN6s 1.4 取当前日
<izQ]\kL int 日= DateTime.Now.Day;
PEMkx"h + YQVo7"`% 1.5 取当前时
G6SgVaM int 时= DateTime.Now.Hour;
)rc!irac] <p@Cx 1.6 取当前分
@d75X Y Ku int 分= DateTime.Now.Minute;
Z!p\=M,% mScv7S~/s 1.7 取当前秒
UaT%tv>}8# int 秒= DateTime.Now.Second;
J<)qw tbrU>KCBD 1.8 取当前毫秒
tgRj8
@ int 毫秒= DateTime.Now.Millisecond;
o)`PSw= }
ueFy<F 28.自定义分页代码:
aDlp>p^E> %X}ZX|{ O 先定义变量 :
?h<4trYcv public static int pageCount; //总页面数
@W,jy$U public static int curPageIndex=1; //当前页面
)G[byBa BK$y>=
` 下一页:
'Zx5+rM${} if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
_e%D/} {
w.qtSW6M+ DataGrid1.CurrentPageIndex += 1;
b)wcGBS curPageIndex+=1;
2u{~35 }
w)btv{* n<?U6~F&~ bind(); // DataGrid1数据绑定函数
qxL\G &~ 7qKz_O 上一页:
!_I1=yi if(DataGrid1.CurrentPageIndex >0)
w5FIHYl6B {
I-#H+\S DataGrid1.CurrentPageIndex += 1;
F(")ga$r curPageIndex-=1;
&@=Jm
/5 }
}=R]<`Sj.j \#sD`O bind(); // DataGrid1数据绑定函数
05UN
<l] F^!D[:;jK 直接页面跳转:
TnW`#.f int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
G gO5=|
-D^I;[j_ if(a<DataGrid1.PageCount)
hfB$4s9 {
wj[yo
S this.DataGrid1.CurrentPageIndex=a;
_]:b@gXUw }
_nGx[1G( 5 E)b$;' bind();
R2bq hSlF bM W|:rn 29.DataGrid使用:
F.s$Y+c!6 ]8G 'R-8} 添加删除确认:
}\_.Mg^y private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
yOM/UdWq {
[8V;Q foreach(DataGridItem di in this.DataGrid1.Items)
Q*M# e {
_3IT3mb2n if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
"be\%W+< {
'nmGHorp ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
4.A^5J'W }
q^X7x_ }
7>hcvML }
unDW2#GX 3:nhZN/95T 样式交替:
0KA*6]h t ListItemType itemType = e.Item.ItemType;
mF~T?L" %h.zkocM if (itemType == ListItemType.Item )
U~G7~L &m {
g)Z8WH$;H3 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
q(sTKT[V e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
i4D(8; }
bpu`'Vx else if( itemType == ListItemType.AlternatingItem)
Iu'9yb {
)\wkVAm e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
PgtLyzc e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Ku5||u.F4* }
X'A`"}=_ lg^'/8^f 添加一个编号列:
uHbg&eW DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
v>X!/if<y DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
EEe$A?a; DYX{v`>f^ for(int i=0;i<dt.Rows.Count;i++)
.ARYCTyG {
y4\X~5kU dt.Rows["number"]=(i+1).ToString();
iSfRJ:_&6 }
|mT%IR fe .=Z& DataGrid1.DataSource=dt;
c!w[)>v DataGrid1.DataBind();
If'q8G3]- }:$cK(| DataGrid1中添加一个CheckBox,页面中添加一个全选框
?;~!C2Zs private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
N2:Hdu: {
XJul~"
foreach(DataGridItem thisitem in DataGrid1.Items)
T!/o^0w {
xd?=#d ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
NKY|Z\ }
n6Oz[7M }
QO@86{u#Y g{&5a(W&` 将当前页面中DataGrid1显示的数据全部删除
Q0A4} foreach(DataGridItem thisitem in DataGrid1.Items)
SQMl5d1d: {
rgy
I:F. if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
;<