1. 打开新的窗口并传送参数:
HUY1nb= 6b#J!:? 传送参数:
ZBfB4<M9xS response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
g/m%A2M&aH <S
M%M? 接收参数:
5>[j^g+@ string a = Request.QueryString("id");
$kk!NAW string b = Request.QueryString("id1");
h3:dO|Z lr@H4EJ{ 2.为按钮添加对话框
dKTUW<C Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Nh|QYxOP button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
`F1 ( v g3uI1]QXLg 3.删除表格选定记录
3:WXrOl int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
?{I]!gI string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
(1b%);L7 >|So`C3:e 4.删除表格记录警告
ur2`.dY>3" private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
K-*q3oh
G {
yasKU6^R' switch(e.Item.ItemType)
/h'b,iYVV {
4d0<uB&v' case ListItemType.Item :
>T<"fEBI case ListItemType.AlternatingItem :
i&?do{YQ) case ListItemType.EditItem:
s*DDO67\W TableCell myTableCell;
Zcn,_b7 myTableCell = e.Item.Cells[14];
675x/0}GO LinkButton myDeleteButton ;
FucLcq2Z myDeleteButton = (LinkButton)myTableCell.Controls[0];
hkL[hD myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
8TnByKZz break;
$?u ^hMU= default:
i
bwnK?ZA break;
?(CMm%(8 }
3#Hx^H e
RjpR?!\ }
)v67wn*1A H A(e 5.点击表格行链接另一页
Lqv5"r7eV private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
7)Rx- {
Y-WYQ{ //点击表格打开
Q[k7taoy if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
~IKPi==@, e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
xFY;aK }
Y+tXWN"8 =N zA2td 双击表格连接到另一页
m,U`hPJ @"#W\m8 在itemDataBind事件中
8?r
,ylUj if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
fH7o,U| {
uFT&r| string OrderItemID =e.item.cells[1].Text;
\i=,[8t[r ...
}GCt)i_ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
t>T |\WAAL }
&V&0kp@+ 0iX;%SPYz 双击表格打开新一页
A8R}W= if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
dSb|hA}@ {
?b~V uo string OrderItemID =e.item.cells[1].Text;
j9za)G-J ...
]64mSB e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
*_z5Pa`A }
6 /Apdn1[ rnVh
]xJ ★特别注意:【?id=】 处不能为 【?id =】
#U NTD4 6.表格超连接列传递参数
TK;*:K8oe <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
T}X#I'Z <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
Nd~?kZZu %Y` @>P' 7.表格点击改变颜色
%jY/jp=R if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
n@xDFa {
!z;a>[T' e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
sgo({zA`i this.style.color=’buttontext’;this.style.cursor=’default’;");
'Z+~G }
z2&SZ.mk Eq9TJt'3y 写在DataGrid的_ItemDataBound里
s45Y8!c if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
(@dh"=Lt\ {
Qc z7IA e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Poacd;* this.style.color=’buttontext’;this.style.cursor=’default’;");
N(@'L43$V e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Dm6}$v'0 }
tqE LF .Mw'P\GtM b$nXljV4? 8.关于日期格式
OCF\*Sx 4XDR?KUM 日期格式设定
9
I> 3p4] DataFormatString="{0:yyyy-MM-dd}"
2@o_7w98 FG-w7a2mn 我觉得应该在itembound事件中
H>[1DH#b e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
QtQku1{ +n]U3b 9.获取错误信息并到指定页面
8| zR8L ;5A&[]@^^@ 不要使用Response.Redirect,而应该使用Server.Transfer
Zg|z\VR Z^>[{|lIA e.g
,ORZtj // in global.asax
&2{h]V6 protected void Application_Error(Object sender, EventArgs e) {
U6"U^ if (Server.GetLastError() is HttpUnhandledException)
c@:r\] Server.Transfer("MyErrorPage.aspx");
LF0gy3 mk1;22o{TX //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
H>e?FDs0*R }
UcDJ%vI [K[tL|EK 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
_`L,}=um' 4em7PmT 10.清空Cookie
vfJ}t#%UH Cookie.Expires=[DateTime];
8f% @ Response.Cookies("UserName").Expires = 0
=V1k'XJ S'HM|& 11.自定义异常处理
]YZ+/:#U7 //自定义异常处理类
_tL*sA>[~) using System;
> >wbyj8 using System.Diagnostics;
Va06(Cq fM_aDSRa!H namespace MyAppException
tq?lF$mM: {
BSG_),AH /// <summary>
\0Zm3[ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
n6[bF"v /// 自动将异常内容记录到Windows NT/2000的应用程序日志
r^&{0c&o /// </summary>
rSB"0W7 public class AppException:System.ApplicationException
Ywt_h;: {
mUzNrkG(G public AppException()
7[QU
*1bk {
S)z
jfJR if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
BN@*CG }
[bJ/$A X4&{/;$ public AppException(string message)
:KZI+ {
7CABM LogEvent(message);
)__vPPko i }
)ye[R^!} ^DVr>u public AppException(string message,Exception innerException)
//:.k#}~B {
1&Rz'JQ+ LogEvent(message);
+}>whyX1 if (innerException != null)
Vy{=Y(cpF2 {
yEtSyb~GK LogEvent(innerException.Message);
R,/?p }
()K%Rn }
=lS~2C '+Dn~8Y+9 //日志记录类
FJv=5L using System;
&7T0nB/) using System.Configuration;
._=Pa)T using System.Diagnostics;
6
EE7<& using System.IO;
[Zl using System.Text;
RP7e)?5$s using System.Threading;
/+P
4cHv]F ${KDGJ,^ namespace MyEventLog
*(s+u~, I {
Q<d\K(<3?: /// <summary>
4*lShkL /// 事件日志记录类,提供事件日志记录支持
,|"tLN*m /// <remarks>
T^aEx.`O}` /// 定义了4个日志记录方法 (error, warning, info, trace)
`l1{BU /// </remarks>
KB7CO: /// </summary>
._-^58[ public class ApplicationLog
2<yi8O\ {
_C&2-tnp /// <summary>
<m`HK.|~ /// 将错误信息记录到Win2000/NT事件日志中
I_'S|L /// <param name="message">需要记录的文本信息</param>
}-)2CEj3L% /// </summary>
P
5m{}@g public static void WriteError(String message)
A"\kdxC {
R(=Lhz6R4 WriteLog(TraceLevel.Error, message);
VCcLS3 }
/Bid:@R g[44YrRD /// <summary>
II)\rVP5 /// 将警告信息记录到Win2000/NT事件日志中
PLKp<kg /// <param name="message">需要记录的文本信息</param>
IBf&'/ 8\ /// </summary>
rv&(yA public static void WriteWarning(String message)
S$+vRX7 {
,4jkTQ*@2 WriteLog(TraceLevel.Warning, message);
wZh&w<l' }
@xmO\ ['sj'3cW- /// <summary>
qWHH%
L; /// 将提示信息记录到Win2000/NT事件日志中
/0d_{Y+9 /// <param name="message">需要记录的文本信息</param>
3@J0-w /// </summary>
V
z8o public static void WriteInfo(String message)
k)b}"' I {
c#$B;? WriteLog(TraceLevel.Info, message);
8V;@yzIha }
{tV)+T /// <summary>
_jR%o1Y} /// 将跟踪信息记录到Win2000/NT事件日志中
dfiA- h /// <param name="message">需要记录的文本信息</param>
h$DFp /// </summary>
OlK3xdg7 public static void WriteTrace(String message)
~+A?!f;-J {
"L|Ew# WriteLog(TraceLevel.Verbose, message);
@T._
}
b>hNkVI =;7gxV3; /// <summary>
+b.<bb6 /// 格式化记录到事件日志的文本信息格式
7UejK r /// <param name="ex">需要格式化的异常对象</param>
m(s(2wq"f /// <param name="catchInfo">异常信息标题字符串.</param>
G`8gI)$u /// <retvalue>
iP~5= /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
8t!(!<iF0 /// </retvalue>
#gMMhB= /// </summary>
#Bg88!-4 public static String FormatException(Exception ex, String catchInfo)
&vLz{ {
,icgne1j StringBuilder strBuilder = new StringBuilder();
YxlV2hcX; if (catchInfo != String.Empty)
EQSOEf[ {
,@tkL!"9q strBuilder.Append(catchInfo).Append("\r\n");
5:Pp62 }
iN"kv strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
JC(rSs* return strBuilder.ToString();
$/Gvz)M }
VJDF/)X3$ >E|@3g
+2 /// <summary>
-/ ;y*mP /// 实际事件日志写入方法
zu5'Ex`gQa /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
T(MS,AyD] /// <param name="messageText">要记录的文本.</param>
Sav]Kxq{ /// </summary>
M")J buI private static void WriteLog(TraceLevel level, String messageText)
C~ t?< {
am{f<v,EI try
oN)l/"%C7/ {
K19/M1~ EventLogEntryType LogEntryType;
h8Q+fHDYv switch (level)
A07g@3n {
--d<s case TraceLevel.Error:
;gYW!rM LogEntryType = EventLogEntryType.Error;
U[*VNJSp break;
F^7qLvh case TraceLevel.Warning:
K~H)XJFF LogEntryType = EventLogEntryType.Warning;
=<e|<EwSZ break;
(wEaa'XL case TraceLevel.Info:
L@HPU;< LogEntryType = EventLogEntryType.Information;
}=z_3JfO break;
Y;8Y s&/t case TraceLevel.Verbose:
^ llZf$` LogEntryType = EventLogEntryType.SuccessAudit;
{E-.W"t4 break;
"X T7;! default:
PUV)w\!&is LogEntryType = EventLogEntryType.SuccessAudit;
uMh[Ht^. break;
_T&?H }
J0*hJ-/u _G|hKk^, EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
K 4QJDC8 //写入事件日志
HYyO/U9z|I eventLog.WriteEntry(messageText, LogEntryType);
X^ckTIdR 8W#/=Xh? }
dqnH7okZ catch {} //忽略任何异常
y >r7(qg }
n$
$^(-g@) } //class ApplicationLog
ns[v.YDL }
{a\O7$A\F L6./b; 12.Panel 横向滚动,纵向自动扩展
|iKk'Rta4 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
(9%
ki$=}+ +~?ze,Di 13.回车转换成Tab
Ig}G"GR <script language="javascript" for="document" event="onkeydown">
lT#&\JQ
if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
k"\%x=# event.keyCode=9;
T$T:~8tK3 </script>
Aayh'xQ gKeqf-UWKJ onkeydown="if(event.keyCode==13) event.keyCode=9"
g6{.C7m .<`i!Ls 14.DataGrid超级连接列
ig<Eyr DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
u?5d%]* R''nZ/R 15.DataGrid行随鼠标变色
S-}MS" private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
fOJ0#^Z {
zs
e<b/G1G if (e.Item.ItemType!=ListItemType.Header)
>J[Bf9)> {
|I-;CoAg e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
~qt)r_jW e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
3:@2gp!tq }
Jz7a|pgep }
hr_ 5D `bT!_ Ru 16.模板列
W t4ROj
<ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Gdmh#pv <ITEMTEMPLATE>
T6m#sVq <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
C~4_Vc* </ITEMTEMPLATE>
JBfDz0P </ASP:TEMPLATECOLUMN>
mR@|] T vw5f.8T;w <ASP:TEMPLATECOLUMN headertext="选中">
Z:DEET!c'k <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
RO[Ko-m|/N <ITEMTEMPLATE>
J ^gtSn^ <ASP:CHECKBOX id="chkExport" runat="server" />
HM57b>6 </ITEMTEMPLATE>
1+6:K._C(m <EDITITEMTEMPLATE>
~\kJir <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
s7.2EkGl= </EDITITEMTEMPLATE>
kP~'C'5Ys </ASP:TEMPLATECOLUMN>
%Xs3Lz wmKM:`&[5 后台代码
@ODwO;_R5 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
E
.^5N~. {
f2Zi.?``H //改变列的选定,实现全选或全不选。
28FC@&'H CheckBox chkExport ;
cKuU#&FaV if( CheckAll.Checked)
kR$>G2$! {
Wt5x*p-!C foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
0zm)MSg {
R)i chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
y6NOHPp@ chkExport.Checked = true;
pYZ6-s }
QR4rQu }
&7z79#1NS else
U<,@u,_Ja {
2gz}]_ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
kms&o=^ {
sq TBlP chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Ay)q %:qx chkExport.Checked = false;
:K.%^ag=j }
R}Pw#*B }
[M>Md-pj }
dp`xyBQ3 8|^dM$ 17.数字格式化
Ww5c9orXn 6BM[RL?T 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
9ZvBsG) <%#Container.DataItem("price","{0:¥#,##0.00}")%>
fm$eJu t`NZ_w / int i=123456;
!wiW#PR string s=i.ToString("###,###.00");
3ThBy' 06DT2 18.日期格式化
}
8ZCWmd 5v"r>q[
X 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
uD4=1g6[s !`5[(lm 显示为: 2004-8-11 19:44:28
pRI<L' @P=St\;VP 我只想要:2004-8-11 】
b`"E(S / <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
Ci%u =%( o?nlnoe 应该如何改?
M|!^ #!a( kk]f*[Zi5 【格式化日期】
gXr"],OM; @3`:aWda 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Y `4AML 1'ne[@i^/ 【日期的验证表达式】
sX&.8 0dS}pd">k A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
.5Y%I;~v ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
[A$5~/Q{U1 n]M1'yU B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
\b{Aj,6, ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
6k6M&a / hUuQDJ 【大小写转换】
5G .Fi21
b HttpUtility.HtmlEncode(string);
Bz}Dgbb HttpUtility.HtmlDecode(string)
[]HMUL]" 5.gM]si 19.如何设定全局变量
(<sZ8n=AD l;i,V;@t Global.asax中
s2Gi4fY? UeWEncN( Application_Start()事件中
1I({2@C G| 7\[!R 添加Application[属性名] = xxx;
JA W}]:jC tX;00g;U. 就是你的全局变量
4d&#NP {FzL@!|| 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Ol ,;BZHc\ |8I #` HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
8r
' .DSn
H6O 【ASPNETMENU】点击菜单项弹出新窗口
(IXiwu ^l1tQnj)7 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
=H*}{'# <?xml version="1.0" encoding="GB2312"?>
shW$V93< <MenuData ImagesBaseURL="images/">
x_9<&Aj6 <MenuGroup>
*8}Y0V\s <MenuItem Label="内参信息" URL="Infomation.aspx" >
=4GJYhj <MenuGroup ID="BBC">
(]wi^dE <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
}* iag\ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
?wE@9g A ......
Zu(eYH=Q 8@%Xd^ 最好将你的aspnetmenu升级到1.2版
[% chN/ }Ictnb 21.读取DataGrid控件TextBox值
"=4`RM foreach(DataGrid dgi in yourDataGrid.Items)
HZMs],GX {
QX(x6y>Q TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
#.O,JG#H tb.Text....
:T~Aa(%( }
TJ(P TB; _'&N0 1 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
'!`%!Xg e;b,7Qw 〖思归〗
L(!4e <asp:TemplateColumn HeaderText="数量">
iO=xx|d <ItemTemplate>
6cof Zc$ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
>}QRMn|@H onkeyup="javascript:DoCal()"
w?CbATQ />
0P`wh=") `mPmEV< <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
~XGO^P"? </ItemTemplate>
a2W}Wb+ </asp:TemplateColumn>
h"VQFqQy Tk s;,C <asp:TemplateColumn HeaderText="单价">
{9TWPB/> <ItemTemplate>
"cjZ6^Hum <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
Mr'}IX5 onkeyup="javascript:DoCal()"
H e]1<tx />
E/cA6*E[.< 70_T;K6 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
CCKg,v WtI1h `Fo </ItemTemplate>
H3{x;{.b </asp:TemplateColumn>
:QgC Zq 2&91C[da0 <asp:TemplateColumn HeaderText="金额">
$;un$ko6% <ItemTemplate>
<B
5^ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
8>x.zO_.c> </ItemTemplate>
&_FNDJ>MCk </asp:TemplateColumn><script language="javascript">
`;fh<kv function DoCal()
PK1j$&F {
hT6:7_UD var e = event.srcElement;
*ggTTHy var row = e.parentNode.parentNode;
>(z{1'f{ var txts = row.all.tags("INPUT");
.fcU&t if (!txts.length || txts.length < 3)
|Y3!Lix return;
xrx{8pf -Nmf}`_ var q = txts[txts.length-3].value;
KsYT3 var p = txts[txts.length-2].value;
A/N*Nc zO{$kT\r& if (isNaN(q) || isNaN(p))
)6)|PzMQ' return;
j)\g0u6 Fk D q = parseInt(q);
X:-X3mV9{ p = parseFloat(p);
:NU-C!eT _dqjRhu txts[txts.length-1].value = (q * p).toFixed(2);
@_YEK3l]l }
g$VcT\X </script>
Y0BvN`E ,4j$kR K-wjQ|*1 %u }|4BXoh ~l!(I-'?g 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。
(Br$(XJoK} page_load
L1BpkB page.smartNavigation=true
m6V1m0M T~$ePVk>L 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 ?
oSNB\G< private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
G_5sF|(mq {
$o\p["DP for(int i=0;i<e.Item.Cells.Count-1;i++)
"b%hAdR if(e.Item.ItemType==ListItemType.EditType)
;t%L(J {
WAY<X:|We e.Item.Cells.Attributes.Add("Width", "80px")
cYx=8~- }
*wt yyP@
}
==x3|^0y <6/XE@" 26.对话框
w GZ(bKyO private static string ScriptBegin = "<script language=\"JavaScript\">";
s
cR-|GuZ private static string ScriptEnd = "</script>";
7~\Dzcfk"P +lJuF/sS8m public static void ConfirmMessageBox(string PageTarget,string Content)
:&yRvu {
\!ESmxSa; string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
:EgdV M0Z>$Az]t ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
Oi
BK NJqALm!( Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
L:Wy- Z ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
b("CvD8 //Response.Write(strScript);
^S ,E "Q }
miS+MK" {J})f>x<xM 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
-Qnnzp$] yfTnj:Fz 1.1 取当前年月日时分秒
n_Um)GI> currentTime=System.DateTime.Now;
u;J= g \(T;@r 1.2 取当前年
:#TJ-l:# int 年= DateTime.Now.Year;
,_NO[+5U }"m@~kg= 1.3 取当前月
'IfM~9'D int 月= DateTime.Now.Month;
%h|z) #PXl*~PrQ/ 1.4 取当前日
|D]jdd@!a2 int 日= DateTime.Now.Day;
q4Ye |<y[gj4`T/ 1.5 取当前时
KH pxWq int 时= DateTime.Now.Hour;
KXw
\N! x?CjRvT$ 1.6 取当前分
uzp!Y&C int 分= DateTime.Now.Minute;
F!]UaEmV eg(xN/D 1.7 取当前秒
f~Kln^ int 秒= DateTime.Now.Second;
! FHNKh 9k 7|B>LT 1.8 取当前毫秒
"6Dz~5 int 毫秒= DateTime.Now.Millisecond;
nt;A7pI` }QJE9;<e 28.自定义分页代码:
Slv}6at5 ~fCD#D2KU 先定义变量 :
-HoPECe public static int pageCount; //总页面数
J=zZGd% public static int curPageIndex=1; //当前页面
GQF7]j/ ?9?0M A<[i 下一页:
X0vkdNgW if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
&)s
A( {
1pzU=!R?-O DataGrid1.CurrentPageIndex += 1;
D%^EG8i n. curPageIndex+=1;
Q|5wz]!5Y( }
(|U+ (~PJ [*}[W6
3v bind(); // DataGrid1数据绑定函数
;/oMH/,U8 {qLnwy!i 上一页:
Mqc[IAcd] if(DataGrid1.CurrentPageIndex >0)
9!9 Gpi {
Ch;EnN< DataGrid1.CurrentPageIndex += 1;
gEi"m5po curPageIndex-=1;
q,:\i+>K* }
9,y&?GLP ?R,^prW{ bind(); // DataGrid1数据绑定函数
8 6L&u:o: h)y"?Jj 直接页面跳转:
h@W}xT int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
|d%Dw^ ;7m>40W if(a<DataGrid1.PageCount)
8l='H l {
kOtC(\]5 this.DataGrid1.CurrentPageIndex=a;
WO)K*c1F }
e'\I^'`!M p~3CXmUc~ bind();
; $y.+5 q R4IFl
z 29.DataGrid使用:
xY!]eLZ)& ~Zj?%4 添加删除确认:
a[(n91J0 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
i( c2NPbX {
kN}.[enI~ foreach(DataGridItem di in this.DataGrid1.Items)
l>=c] {
R8],}6,;E} if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
zb;'}l;+ {
l>qCT ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
j ^_G }
Szg<;._J }
#Jm_~k }
k*-+@U"+ |fw+{f 样式交替:
5n9F\T5 ListItemType itemType = e.Item.ItemType;
sWX 3}h&/KN{ if (itemType == ListItemType.Item )
a#raUF7e {
@#T?SNIL5 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
p O:
EJ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
5T }
?L'k2J else if( itemType == ListItemType.AlternatingItem)
F5MWxAS,> {
s#d# *pgzh e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
ZnJnjW PQ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
x(t}H8q }
'6xn!dK
^MddfBwk 添加一个编号列:
=} vG| DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
;<MaCtDt DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
(O<lVz@8 G+%ZN for(int i=0;i<dt.Rows.Count;i++)
hG
]j m {
|Pj _L`G dt.Rows["number"]=(i+1).ToString();
Y/$SriC_+' }
IsRsjhg8x @ym7hk. DataGrid1.DataSource=dt;
SA/0Z = DataGrid1.DataBind();
,U2D&{@ aoJ&< vl3 DataGrid1中添加一个CheckBox,页面中添加一个全选框
{;-$;\D private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
3[e@mcO {
d9^=#ot foreach(DataGridItem thisitem in DataGrid1.Items)
GB
!3Z {
"^trHh8= ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
&c\8`# 6 }
Yb6\+}th }
6C3y+@9 qb9%Y/xy 将当前页面中DataGrid1显示的数据全部删除
WYh7Y foreach(DataGridItem thisitem in DataGrid1.Items)
5o72X k {
>)5vsqGZaK if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
sV*Q8b* {
3;M!]9ms string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
3 $kZu Del (strloginid); //删除函数
&G"]v]V }
XSxya.1 }
1/fvk -~-2 g 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
'{+hti,Lh _rR.Y3N 在Application_Start中添加以下代码:
*Z0}0<
D@Z Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
@+2Zt% AppSettings["ConnStr"].ToString();
T }8aj ]':C~-RV{ 31. 变量.ToString()
(%r:PcGMEV Z6*RIdD> 字符型转换 转为字符串
I3L1|! 12345.ToString("n"); //生成 12,345.00
x[?_F 12345.ToString("C"); //生成 ¥12,345.00
stDn{x. 12345.ToString("e"); //生成 1.234500e+004
!*cf}<Kmw 12345.ToString("f4"); //生成 12345.0000
},"g* 12345.ToString("x"); //生成 3039 (16进制)
mb/3
#) 12345.ToString("p"); //生成 1,234,500.00%
xz%ig^L ~kHir]jc 32、变量.Substring(参数1,参数2);
*PI3L/* tT
v@8f 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
m:^@AR1%d Wu}Co 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
mrbIoN==` <SCRIPT language="javascript">
ydFY<Mb(o <!--
>:xnjEsi$/ function gook(pws)
hlVP_h"z {
K
l4", frm.submit();
$K iMu }
kQb0pfYs //-->
*\`C!r jsG9{/Ov3 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
[:k'VXL <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
hh?'tb{ <tr>
,S8Vfb & <td>
1dq.UW\ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
Rsulp#[' <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
*H$nydQ: <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
f*I5m= F;ZLoG*U <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
)CmuC@ Q" <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
m0edkt-x OYzJE@r^ </td>
ZN)/doK u,pm\ </tr>
{NFeX'5bP @Yg7F>s </form>
::R^ w" a}
/Vu" 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。
lt*k(JD g PfaiVY 下面是获取用户输入的登陆信息的代码:
I)x:NF6JO string name;
:.~a[\C@V< name=Request.QueryString["EmailName"];
l&rDa=m.J [0}471 try
:X!(^a;] {
b^xf,`D int a=name.IndexOf("@",0,name.Length);
:@/fy}! f_user.Value=name.Substring(0,a);
GGBe/X f_domain.Value=name.Substring(a+1,name.Length-(a+1));
a~%ej.)l f_pass.Value=Request.QueryString["Psw"];
4 hj2rK'y }
VgdkCdWRm_ ]`NbNr]K catch
*Z]|
Z4Q/` {
NqWHR~& Script.Alert("错误的邮箱!");
Z:*U/_G Server.Transfer("index.aspx");
7Y)wu$!7} }