1. 打开新的窗口并传送参数: `}fwR
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传送参数: [0mg\n?
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") nc.X+dx:
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接收参数: KZSvT{
string a = Request.QueryString("id"); u@-x3%W
string b = Request.QueryString("id1"); QWV12t$v
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2.为按钮添加对话框 <Xr{1M D
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); Ox1#}7`0>
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") R7d45Wl
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3.删除表格选定记录 r.b!3CoQ
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; \`M8Mu9~w
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() _}-Ed,.=
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4.删除表格记录警告 J
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private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) ?ydqmj2[F
{ m|w-}s,
switch(e.Item.ItemType) >HY(
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{ -(]s!,
case ListItemType.Item : rt[w
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case ListItemType.AlternatingItem : %^$7z,>;
case ListItemType.EditItem: %0!!998
TableCell myTableCell; td#B$$[
myTableCell = e.Item.Cells[14]; fSFb)+
LinkButton myDeleteButton ; L^0s
myDeleteButton = (LinkButton)myTableCell.Controls[0]; X)peY
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); :v!e8kM\x
break; 9I;d>%
default: .`3O4]N[
break; ==\Qj{
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} C.[abpc
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5.点击表格行链接另一页 93*MY7j}
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) x2bKFJ>e@
{ JXIxk"m
//点击表格打开 !w8t`Z['
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) i/%+x-#
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); -6OgM}
} S3iXG
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双击表格连接到另一页 /RzL,~]
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在itemDataBind事件中 |99/?T-QW
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) eZMDt B
{ V6C*d:
string OrderItemID =e.item.cells[1].Text; [Grd?mc#
... %|:Gn) 8
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); OJGEX}3'
} D 1Q@4
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双击表格打开新一页 ,MxTT!9Su
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) NM;0@ o
{ {T^"`%[
string OrderItemID =e.item.cells[1].Text; YnzhvE
... 1sqBBd"=PY
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); AUm"^-@x#>
} c05kHB$O
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★特别注意:【?id=】 处不能为 【?id =】 Ip0~
6.表格超连接列传递参数 qBKRm0<W
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ +$-@8,F>
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> (|EnRk-E
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7.表格点击改变颜色 4Y)rgLFj
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) *,:>EcDr
{ s^@?+<4:
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; I$Bu6x!
this.style.color=’buttontext’;this.style.cursor=’default’;"); XvU^DEfW
} .S l{m[nV8
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写在DataGrid的_ItemDataBound里 McRAy%{z
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) c&{1Z&Y
{ .K=r.tf~
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; ?+]prbt)
this.style.color=’buttontext’;this.style.cursor=’default’;"); .>Gnb2
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); LX
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} \{HbL,s
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8.关于日期格式 h~]G6>D9)>
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日期格式设定 #E?T E
DataFormatString="{0:yyyy-MM-dd}" \DG
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我觉得应该在itembound事件中 =q1=.VTn
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) Df\~ ZWs!
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9.获取错误信息并到指定页面 PgeC\#;9
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不要使用Response.Redirect,而应该使用Server.Transfer 5/vfmDt3'G
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e.g ~$GRgOn
// in global.asax PJq;OM|
protected void Application_Error(Object sender, EventArgs e) { vr,8i7*0
if (Server.GetLastError() is HttpUnhandledException) [z2XK4\e1T
Server.Transfer("MyErrorPage.aspx"); bjQp6!TsZ
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) _6b?3[Xz
} "$->nC.
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Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理 RObo4
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10.清空Cookie Vq'\`$_
Cookie.Expires=[DateTime]; *Kpk1
Response.Cookies("UserName").Expires = 0 KW* 2'C&
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11.自定义异常处理 0zQ^ 6@
//自定义异常处理类 ne]P -50
using System; c>_tV3TDA
using System.Diagnostics; k`l={f8C
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namespace MyAppException xJphG
{ O%g
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/// <summary> {:D8@jb[
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 |[)k5nUQ|
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 7#~v<M6
/// </summary> V`/E$a1&
public class AppException:System.ApplicationException UlG8c~p
{ C 2f=9n/
public AppException() qO;.{f
{ O_9M
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if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); 9g7d:zG
} f<14-R=
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public AppException(string message) B3+9G,or
{ [y(DtOR
LogEvent(message); Q]JWWKt6rV
} aG"j9A~ &
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public AppException(string message,Exception innerException) 1JRM@ !x
{ rq>}]
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LogEvent(message); )\S3Q
if (innerException != null) o!]muO*Rm
{ Jy#c 6
LogEvent(innerException.Message); dRdI('
} wzXIEWJ
} ?QDHEC62
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//日志记录类 F@8G,$
using System; N('=qp9
using System.Configuration; JPH! .@
using System.Diagnostics; <r9L-4
using System.IO; '|I8byiK
using System.Text; 4YuJ -
using System.Threading; %^bHQB%
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namespace MyEventLog )x!b{5'"7
{ Xkqq$A4
/// <summary> 86*9GS?U(
/// 事件日志记录类,提供事件日志记录支持 PBeBI:
/// <remarks> |rU?
/// 定义了4个日志记录方法 (error, warning, info, trace) &z;bX-"E
/// </remarks> h23"<
/// </summary> TpAE 9S
public class ApplicationLog fH@P&SX