1. 打开新的窗口并传送参数:
kt+h\^g `W.g1"o8W4 传送参数:
ua,!kyS response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
QwL*A `@ t+D= @"BZP 接收参数:
;7*T6~tv string a = Request.QueryString("id");
Q=Liy@/+! string b = Request.QueryString("id1");
eOx8D|^W 1C0'
Gf)3 2.为按钮添加对话框
J[c`Qq:&e Button1.Attributes.Add("onclick","return confirm(’确认?’)");
%!8w)1U button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
T[MDjhv' Z/d {v:) 3.删除表格选定记录
<r
m)c. int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
c )=a;_h string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
AuZISb%6 vOv"^X 4.删除表格记录警告
taMcm}*T1 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
PsOq- {
}zqo<o switch(e.Item.ItemType)
4BeHj~~ {
k{U[ U1j case ListItemType.Item :
)Br#R:# case ListItemType.AlternatingItem :
|(CgX6 l3 case ListItemType.EditItem:
U2CC#,b!( TableCell myTableCell;
8fktk?| myTableCell = e.Item.Cells[14];
q/ (h{cq LinkButton myDeleteButton ;
Y*IKPnPot2 myDeleteButton = (LinkButton)myTableCell.Controls[0];
,aIkiT myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
`G%h=rr^c break;
%evtIU<h default:
kSEgq<i! break;
4p%^?L? }
')/w+|F 6OqF-nso[E }
,C|{_4 _9q byhS7 5.点击表格行链接另一页
X*9-P9x(6 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
>pe!T
aBN {
n )\(\V7 //点击表格打开
EAy@kzY? if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
:#cJZ\YH e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
/F6"uZSt4 }
hBVm;` YMVi7D~;Q$ 双击表格连接到另一页
gtT&97tT< #Nad1C/] 在itemDataBind事件中
_>;{+XRX[ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
<":83RCS {
oTx>oM, string OrderItemID =e.item.cells[1].Text;
I!SIy&=W ...
]2YC7 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
c
*<m. }
o{QV'dgu %~kE,^ 双击表格打开新一页
Onou:kmf1 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
4wGBB{X {
d_ x
jW string OrderItemID =e.item.cells[1].Text;
Qvel#*-4 ...
,X;$-. e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
TjI&8#AWBA }
W;os4'h$ ]&9=f#k% ★特别注意:【?id=】 处不能为 【?id =】
GG-b)64h` 6.表格超连接列传递参数
06Q9X!xD <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
V?mk*CU <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
\(;u[ 3Bvz& `\ 7.表格点击改变颜色
Ye$;
d ~ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
N9s.nu {
h9!4\{V;h e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
w4_Xby) this.style.color=’buttontext’;this.style.cursor=’default’;");
:SWrx MT }
l*huKSX} QDVSFGwr 写在DataGrid的_ItemDataBound里
<a&xhG} if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
R0F [ {
/m,i,NX07 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
-B!
a
O65^ this.style.color=’buttontext’;this.style.cursor=’default’;");
r!w*y3 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Iza;~8dH5 }
5|>ms)[RQ q/Ji}NGm
nEW.Y33 8.关于日期格式
uFhPNR2l 1?3+> 日期格式设定
#W
l^!)#j? DataFormatString="{0:yyyy-MM-dd}"
%_CL/H
ZNpC&
"`G 我觉得应该在itembound事件中
jC$~m#F e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
O '`|(L %++S;#)~ 9.获取错误信息并到指定页面
Da!vGr q8.Z7ux 不要使用Response.Redirect,而应该使用Server.Transfer
8 nqF i qJO6m-
e.g
-dN`Ok<g // in global.asax
~l.C- protected void Application_Error(Object sender, EventArgs e) {
59v=\; UI if (Server.GetLastError() is HttpUnhandledException)
Vpzjh,r-j Server.Transfer("MyErrorPage.aspx");
Y C<FKWc xj&~>&U){; //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
cxvO,8NiB }
="f-I9y Io>U-Zd\> 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
l0qHoM,1Y[ rc7c$3# X 10.清空Cookie
vRD(* S9^ Cookie.Expires=[DateTime];
e%4vvPp Response.Cookies("UserName").Expires = 0
~X %cbFom= 2']0c
z 11.自定义异常处理
qu]a+cYY //自定义异常处理类
"*V'
using System;
=CS$c? using System.Diagnostics;
&gJ@"`r4 ,KF>@3f namespace MyAppException
w)1SZ} {
WE_'u+!B /// <summary>
SB5qm?pT8< /// 从系统异常类ApplicationException继承的应用程序异常处理类。
yd'cLZd<} /// 自动将异常内容记录到Windows NT/2000的应用程序日志
B#.xs>{N /// </summary>
H4{7,n public class AppException:System.ApplicationException
'O9Yu{M {
DYC2bs> public AppException()
UEm4):/} {
g2*}XS3 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
$P#+Y,r~\ }
2chT^3e 30(e6T; public AppException(string message)
+W8#] u| {
:D>flZi LogEvent(message);
[nX{sM% }
-;RAW1]}Y$ V:+vB " public AppException(string message,Exception innerException)
d{(Rs.GuP {
;- Vs|X LogEvent(message);
hp}rCy|01 if (innerException != null)
{!{T,_ J {
/X#OX8gb] LogEvent(innerException.Message);
I\rjw$V# }
9ao?\]&t }
6& hiW]Adm 7Wiwnv_" //日志记录类
O8rd*+ using System;
|Xd&aQ using System.Configuration;
sk0/3X*Q% using System.Diagnostics;
vp d!|/ using System.IO;
gu'+kw using System.Text;
7)Tix7:9S; using System.Threading;
#^ .G^d(= `ZP[-: ` namespace MyEventLog
t*6C?zEAU {
f^5sJ0;% /// <summary>
Y2N$&]O{ /// 事件日志记录类,提供事件日志记录支持
9c1q:>| /// <remarks>
(4`Tf*5hHa /// 定义了4个日志记录方法 (error, warning, info, trace)
vt5>>rl /// </remarks>
,.gJ8p(0x /// </summary>
>Yv#t.! public class ApplicationLog
]#q$i[Y {
^BI&-bR@ /// <summary>
a"1LF` /// 将错误信息记录到Win2000/NT事件日志中
9{A*[.XK] /// <param name="message">需要记录的文本信息</param>
F%{z EANm /// </summary>
p{SIGpbR& public static void WriteError(String message)
v{\~>1J{ {
y6s/S. WriteLog(TraceLevel.Error, message);
QEx&AT }
Th~pju 6Hd^qouid /// <summary>
l|9'l[}& /// 将警告信息记录到Win2000/NT事件日志中
7bJM
$
/// <param name="message">需要记录的文本信息</param>
aIWpgUd` /// </summary>
F{}:e QD
public static void WriteWarning(String message)
15DlD`QV {
p 4b6TI9; WriteLog(TraceLevel.Warning, message);
n4ti{-^4|d }
H@k$sZ. 1;>RK /// <summary>
SC2g5i` /// 将提示信息记录到Win2000/NT事件日志中
,-Lv3 /// <param name="message">需要记录的文本信息</param>
EVbDI yFn /// </summary>
gJzS,g1] public static void WriteInfo(String message)
b1ZHfe: {
2TaHWw<A WriteLog(TraceLevel.Info, message);
^^)\|kW? }
VAa;XVmB /// <summary>
_'s5FlZq /// 将跟踪信息记录到Win2000/NT事件日志中
U(:t$SBKy /// <param name="message">需要记录的文本信息</param>
mOYXd,xd /// </summary>
-ktYS(8& public static void WriteTrace(String message)
z&[[4[ {
I]ol[
X0S WriteLog(TraceLevel.Verbose, message);
.q$/#hN:e }
8@I.\u)0 +
V-&?E( /// <summary>
HYg7B /// 格式化记录到事件日志的文本信息格式
6K9-n}z /// <param name="ex">需要格式化的异常对象</param>
Y[fbmn^ /// <param name="catchInfo">异常信息标题字符串.</param>
Lismo# /// <retvalue>
a.AEF P4N /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
a3(f\MMxE /// </retvalue>
y? 65*lUl /// </summary>
/p@0Q[E public static String FormatException(Exception ex, String catchInfo)
MK4CggoC {
jTY{MY Jh StringBuilder strBuilder = new StringBuilder();
e?-LB if (catchInfo != String.Empty)
]PXpzruy {
(8j@+J strBuilder.Append(catchInfo).Append("\r\n");
ve=
nh]N }
S'vUxOAo strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
HSk}09GV return strBuilder.ToString();
.ZH5^Sv$vp }
:.\h.H; c1_?Z /// <summary>
9M-/{D^+< /// 实际事件日志写入方法
.s@[-!
p /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
E}=F
/// <param name="messageText">要记录的文本.</param>
oRCD8b? /// </summary>
HC ?XNR& private static void WriteLog(TraceLevel level, String messageText)
`#N7ym;s@ {
i'vjvc~ try
{{_,YO^w {
!GVxQll[f EventLogEntryType LogEntryType;
'
9 switch (level)
& |o V\L {
<8/lHQ^\) case TraceLevel.Error:
w+tO@ LogEntryType = EventLogEntryType.Error;
rx;zd ? break;
%bUpVyi!( case TraceLevel.Warning:
ZsYT&P2 LogEntryType = EventLogEntryType.Warning;
x68s$H break;
[p_C?hHO case TraceLevel.Info:
(*Y ENT} LogEntryType = EventLogEntryType.Information;
ZpY"P6 break;
6T~xjAuJ3T case TraceLevel.Verbose:
SYTzJK@vZJ LogEntryType = EventLogEntryType.SuccessAudit;
rW3fd.;kss break;
/=7[Q default:
nyB~C7zR LogEntryType = EventLogEntryType.SuccessAudit;
"A9 c] break;
cb~m==G }
\>-%OcYlM RpY#_\^hI EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
_u`W$EG
L //写入事件日志
wD&b[i eventLog.WriteEntry(messageText, LogEntryType);
J&6]3x yf6&'Y{ }
V|fs"HY catch {} //忽略任何异常
[VP~~*b }
Fc<+N0M{ } //class ApplicationLog
hYN b9^ }
z '%Vy !P0Oq)q 12.Panel 横向滚动,纵向自动扩展
I2'UC)
0 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Wc$1Re{z ",T-'>h$2R 13.回车转换成Tab
),)]gw71QW <script language="javascript" for="document" event="onkeydown">
bXiT}5mJU if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
A3N<;OOk event.keyCode=9;
#X"eg </script>
Tce2]"^; 6]^}GyM! onkeydown="if(event.keyCode==13) event.keyCode=9"
qyuU UpS`KgF"v 14.DataGrid超级连接列
7=8e|$K_ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
u1&pJLK0[ g+k0Fw]! 15.DataGrid行随鼠标变色
BS;_l"? private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
9_F2nmEv {
GV([gs if (e.Item.ItemType!=ListItemType.Header)
7PZ0 {
fgP_NYfOj e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
1G+42>?<1 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
B@l/'$G }
0>m-J }
snV,rZ M: qeqn+ 16.模板列
?y7x#_Exc <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
;X !sTs <ITEMTEMPLATE>
gYx|Na,+ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
+I7n6s\ </ITEMTEMPLATE>
5/Q^p" </ASP:TEMPLATECOLUMN>
FMuM:%&J] ZO+c-!%[( <ASP:TEMPLATECOLUMN headertext="选中">
&gZ5dTj> <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
jYRwtP\ <ITEMTEMPLATE>
Os@ d&wm <ASP:CHECKBOX id="chkExport" runat="server" />
Bls\)$ </ITEMTEMPLATE>
%9xz[Ng <EDITITEMTEMPLATE>
41WnKz9c <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
K<KyX8$P0 </EDITITEMTEMPLATE>
.S17O } </ASP:TEMPLATECOLUMN>
n97A'"'wz wz5xJ:T j 后台代码
keEyE;O}u protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
[MYd15 {
eW]K~SPd7 //改变列的选定,实现全选或全不选。
h\b]>q@ CheckBox chkExport ;
B]q
&?~ if( CheckAll.Checked)
Ym5q#f)| {
{
D1. foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
T2
0dZ8{y {
]C-hl}iq chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
]%3o"| chkExport.Checked = true;
g6k@E,cI_ }
YsXP$y]g- }
2;NIUMAMM else
v"Fa_+TVx {
RiF~-;v& foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
JB a:))lw {
h&||Ql1 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
:Q=Jn?Gjb chkExport.Checked = false;
1GVJ3VXt }
74rz~ZM
5 }
e;R5A6| }
B i?DmrH n3-u.Fb 17.数字格式化
PBb@J'b >n)N=Zyu 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
V4}9f5FR <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Y!v `0z G:$wdT(u int i=123456;
Iu^#+n string s=i.ToString("###,###.00");
k`6T% [D] ? r=cLC 18.日期格式化
)R+@vh#Q<$ JNRG[j 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
_) 2fXG! _=XzQZT!L 显示为: 2004-8-11 19:44:28
aHe/MucK 6$w)"Rq 我只想要:2004-8-11 】
I2(5]85&]s <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
PmO utYV "d>{hP 应该如何改?
IY?[ 0S g= k}6"F~ 【格式化日期】
s={AdQ wj9CL1Gx 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
+.whEw(i &i4*tE3], 【日期的验证表达式】
~cVFCM deHhl(U; A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
DTk)Y-eQ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
\T'uFy9&a 11}X2j~Ww B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
W~k"`g7uu ^\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]))$
o-Pa3L= ge9j:S{ 【大小写转换】
9%j_"+<c HttpUtility.HtmlEncode(string);
N&U=5c`Q' HttpUtility.HtmlDecode(string)
i)g=Lew mK5<;$ 19.如何设定全局变量
|\%[e@u kMAQHpDD Global.asax中
rY_)N^B|nF KlDW'R$ Application_Start()事件中
r4k=i4 uOc:^ 添加Application[属性名] = xxx;
`Lb^!6`) \:]Clvc 就是你的全局变量
U0q{8 "Pl oE[wOq+ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
:t-a;Q; |g M|> HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
$]Kgs6=r O7%<( 【ASPNETMENU】点击菜单项弹出新窗口
&duWV6Acw w d2GKq! 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
W'u6F-$2 <?xml version="1.0" encoding="GB2312"?>
:jB~rhZ~ <MenuData ImagesBaseURL="images/">
4eK!1|1 <MenuGroup>
trcG^uV <MenuItem Label="内参信息" URL="Infomation.aspx" >
a,tzt
]> <MenuGroup ID="BBC">
lfp[(Ph)9 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
&[$qA <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
eRc+.m[ ......
Qyvn A|& G?CaCleG 最好将你的aspnetmenu升级到1.2版
A94ZG: '=K
[3%U 21.读取DataGrid控件TextBox值
[74HUw> foreach(DataGrid dgi in yourDataGrid.Items)
AM cHR=/ {
N7:=%F y( TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
t+7h(?8L tb.Text....
@^]wT_r }
9J h"1i>x2 j h0``{ 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?
l{ja2brX 6&_"dg" 〖思归〗
PnkJWl<S <asp:TemplateColumn HeaderText="数量">
<0T5W#H`D <ItemTemplate>
4$.$j=Ct." <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
GTL gj'B onkeyup="javascript:DoCal()"
"<uaG?: />
iq2)oC_ '8\7(0$c <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
V/5.37FSb </ItemTemplate>
`!WtKqr%B </asp:TemplateColumn>
JoeU J3N _L
5< <asp:TemplateColumn HeaderText="单价">
yW5/Y02 <ItemTemplate>
f.8Jp<S2K <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
e^2e[rp0 onkeyup="javascript:DoCal()"
ya7PF~:E- />
F5la:0fb 7Mq4$|qhD <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
q)vdDdRe_ zmd,uhNc: </ItemTemplate>
)a"rj5~- </asp:TemplateColumn>
.XDY1~w0 U$jw8I'. <asp:TemplateColumn HeaderText="金额">
w/_n$hX <ItemTemplate>
VQ wr8jXye <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
"!43,!< </ItemTemplate>
\ldjWc<S </asp:TemplateColumn><script language="javascript">
nF$n[: function DoCal()
,ab_u@ {
W[Kv
Qt3% var e = event.srcElement;
)c|S)iJ7=z var row = e.parentNode.parentNode;
V@krw"vW var txts = row.all.tags("INPUT");
XJJdCv^ if (!txts.length || txts.length < 3)
ms9zp?M return;
!_EL{ /ko W,<L/ZKJ var q = txts[txts.length-3].value;
4Ufx,] var p = txts[txts.length-2].value;
?4>uGaU\ #=@H-ZuD7 if (isNaN(q) || isNaN(p))
+/
s2;G return;
qYpuo
D s}"5uDfn1F q = parseInt(q);
FyD^\6/x p = parseFloat(p);
6G2s^P1Dl@ Ip c2Qsa txts[txts.length-1].value = (q * p).toFixed(2);
S%+,:kq }
YdsY2 </script>
]j.=zQP?' j{}-zQ]n A8Z2o\+ Cwo(%Wc 9{&APxm 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
ttQX3rmF01 page_load
5WhR| page.smartNavigation=true
rb8c^u#r ]MI>"hn 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
&?+ vHE} private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
ifA=qn0=} {
fpMnA for(int i=0;i<e.Item.Cells.Count-1;i++)
&qR1fbw" if(e.Item.ItemType==ListItemType.EditType)
]LGp3)T- {
lIR0jgP@z e.Item.Cells.Attributes.Add("Width", "80px")
Hgu:*iYA }
D2hEI2S }
OPm?kr g7*"*%v 2 26.对话框
F\pw0^K;N private static string ScriptBegin = "<script language=\"JavaScript\">";
>R|*FYam private static string ScriptEnd = "</script>";
/JP]5M) f1eY2UtWQ public static void ConfirmMessageBox(string PageTarget,string Content)
Z)iRc$; {
r]! <iw string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
7\ .Ax PT2b^PP ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
?gZJ v a2:Tu Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
RX]x3- ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
G` !ff //Response.Write(strScript);
_W@SCV)yH }
@\~qXz{6J NF?FEUoxz 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
bXN-q! &5*)r@+ 1.1 取当前年月日时分秒
TF\<`}akX currentTime=System.DateTime.Now;
sOyWsXd+R' iz|mJUx 1.2 取当前年
w1zI"G~4/Q int 年= DateTime.Now.Year;
`i{k^Q e"jA#Y # 1.3 取当前月
IKJ~sw~AQ int 月= DateTime.Now.Month;
O5"o/Y~m c[=%v]j:u 1.4 取当前日
.aRL'1xHl int 日= DateTime.Now.Day;
U3ygFW% 3J\NkaSR 1.5 取当前时
6~ g:"} int 时= DateTime.Now.Hour;
[V#"7O vl S 6sSdo'
1.6 取当前分
C:tA|<b| int 分= DateTime.Now.Minute;
P\ yt!S2 E)(`Z0 1.7 取当前秒
,v"/3Ff{, int 秒= DateTime.Now.Second;
++KY+j.^ vS~y~ uU%6 1.8 取当前毫秒
TO\%F}m( int 毫秒= DateTime.Now.Millisecond;
5io7!% q.(p.uD 28.自定义分页代码:
NJYx.TL uO$ujbWZ 先定义变量 :
gbc^Lb public static int pageCount; //总页面数
^q"wd?((h public static int curPageIndex=1; //当前页面
qA- ya6 -t9oL3J 下一页:
&}Y_EHj} if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
%iPu51+= {
B3I\= DataGrid1.CurrentPageIndex += 1;
0F'75 curPageIndex+=1;
CK
e }
]{9oB-;, `Tzqvnn bind(); // DataGrid1数据绑定函数
5H6GZ:hp .js4)$W^ 上一页:
-;$+`<% if(DataGrid1.CurrentPageIndex >0)
UQ|zSalv, {
F"a^`E& DataGrid1.CurrentPageIndex += 1;
PVO9KWv** curPageIndex-=1;
YYI }
$Z;HE/3 <$liWAGX\ bind(); // DataGrid1数据绑定函数
>J=x";,D|~ YtQKsM 直接页面跳转:
FV/xp}nz int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
da@y*TO#i 1{ #Xa= if(a<DataGrid1.PageCount)
!2x"'o {
Q6S[sTKR this.DataGrid1.CurrentPageIndex=a;
GS{:7%=j }
6RZ[X[R[} v)JQb-< bind();
\h^bOxh :C42yQAP 29.DataGrid使用:
&Q