21.如何设定全局变量
page_load
page.smartNavigation=true
26.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 ?
Global.asax中
Application_Start()事件中
添加Application[属性名]=xxx;
就是你的全局变量
22.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Application_Start()事件中
添加Application[属性名]=xxx;
就是你的全局变量
HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
【ASPNETMENU】点击菜单项弹出新窗口
在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
<?xmlversion="1.0"encoding="GB2312"?>
<MenuDataImagesBaseURL="images/">
<MenuGroup>
<MenuItemLabel="内参信息"URL="Infomation.aspx">
<MenuGroupID="BBC">
<MenuItemLabel="公告信息"URL="Infomation.aspx"URLTarget="_blank"LeftIcon="file.gif"/>
<MenuItemLabel="编制信息简报"URL="NewInfo.aspx"LeftIcon="file.gif"/>
最好将你的aspnetmenu升级到1.2版
23.读取DataGrid控件TextBox值
【ASPNETMENU】点击菜单项弹出新窗口
在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
<?xmlversion="1.0"encoding="GB2312"?>
<MenuDataImagesBaseURL="images/">
<MenuGroup>
<MenuItemLabel="内参信息"URL="Infomation.aspx">
<MenuGroupID="BBC">
<MenuItemLabel="公告信息"URL="Infomation.aspx"URLTarget="_blank"LeftIcon="file.gif"/>
<MenuItemLabel="编制信息简报"URL="NewInfo.aspx"LeftIcon="file.gif"/>
最好将你的aspnetmenu升级到1.2版
foreach
(DataGriddgi
in
yourDataGrid.Items)
{
TextBoxtb = (TextBox)dgi.FindControl( " yourTextBoxId " );
tb.Text .
}
24.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?
{
TextBoxtb = (TextBox)dgi.FindControl( " yourTextBoxId " );
tb.Text .
}
<asp:TemplateColumnHeaderText="数量">
<ItemTemplate>
<asp:TextBoxid="ShuLiang"runat=’server’Text=’<%#DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
onkeyup="javascript:DoCal()"
/>
<asp:RegularExpressionValidatorid="revS"runat="server"ControlToValidate="ShuLiang"ErrorMessage="mustbeinteger"ValidationExpression="^\d+$"/>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumnHeaderText="单价">
<ItemTemplate>
<asp:TextBoxid="DanJian"runat=’server’Text=’<%#DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
onkeyup="javascript:DoCal()"
/>
<asp:RegularExpressionValidatorid="revS2"runat="server"ControlToValidate="DanJian"ErrorMessage="mustbenumeric"ValidationExpression="^\d+(\.\d*)?$"/>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumnHeaderText="金额">
<ItemTemplate>
<asp:TextBoxid="JinE"runat=’server’Text=’<%#DataBinder.Eval(Container.DataItem,"DG_JinE")%>’/>
</ItemTemplate>
</asp:TemplateColumn><scriptlanguage="javascript">
functionDoCal()
{
vare=event.srcElement;
varrow=e.parentNode.parentNode;
vartxts=row.all.tags("INPUT");
if(!txts.length||txts.length<3)
return;
varq=txts[txts.length-3].value;
varp=txts[txts.length-2].value;
if(isNaN(q)||isNaN(p))
return;
q=parseInt(q);
p=parseFloat(p);
txts[txts.length-1].value=(q*p).toFixed(2);
}
</script>
25.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。
<ItemTemplate>
<asp:TextBoxid="ShuLiang"runat=’server’Text=’<%#DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
onkeyup="javascript:DoCal()"
/>
<asp:RegularExpressionValidatorid="revS"runat="server"ControlToValidate="ShuLiang"ErrorMessage="mustbeinteger"ValidationExpression="^\d+$"/>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumnHeaderText="单价">
<ItemTemplate>
<asp:TextBoxid="DanJian"runat=’server’Text=’<%#DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
onkeyup="javascript:DoCal()"
/>
<asp:RegularExpressionValidatorid="revS2"runat="server"ControlToValidate="DanJian"ErrorMessage="mustbenumeric"ValidationExpression="^\d+(\.\d*)?$"/>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumnHeaderText="金额">
<ItemTemplate>
<asp:TextBoxid="JinE"runat=’server’Text=’<%#DataBinder.Eval(Container.DataItem,"DG_JinE")%>’/>
</ItemTemplate>
</asp:TemplateColumn><scriptlanguage="javascript">
functionDoCal()
{
vare=event.srcElement;
varrow=e.parentNode.parentNode;
vartxts=row.all.tags("INPUT");
if(!txts.length||txts.length<3)
return;
varq=txts[txts.length-3].value;
varp=txts[txts.length-2].value;
if(isNaN(q)||isNaN(p))
return;
q=parseInt(q);
p=parseFloat(p);
txts[txts.length-1].value=(q*p).toFixed(2);
}
</script>
page_load
page.smartNavigation=true
26.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 ?
private
void
DataGrid1_ItemDataBound(objsender,DataGridItemEventArgse)
{
for ( int i = 0 ;i<e.Item.Cells.Count - 1 ;i ++ )
if (e.Item.ItemType == ListItemType.EditType)
{
e.Item.Cells[i].Attributes.Add( " Width " , " 80px " )
}
}
27.对话框
{
for ( int i = 0 ;i<e.Item.Cells.Count - 1 ;i ++ )
if (e.Item.ItemType == ListItemType.EditType)
{
e.Item.Cells[i].Attributes.Add( " Width " , " 80px " )
}
}
private
static
string
ScriptBegin
=
"
<scriptlanguage=\
"
JavaScript\
"
>
"
;
private static string ScriptEnd = " </script> " ;
public static void ConfirmMessageBox( string PageTarget, string Content)
{
string ConfirmContent = " varretValue=window.confirm(’ " + Content + " ’); " + " if(retValue){window.location=’ " + PageTarget + " ’;} " ;
ConfirmContent = ScriptBegin + ConfirmContent + ScriptEnd;
PageParameterPage = (Page)System.Web.HttpContext.Current.Handler;
ParameterPage.RegisterStartupScript( " confirm " ,ConfirmContent);
// Response.Write(strScript);
}
28.将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
private static string ScriptEnd = " </script> " ;
public static void ConfirmMessageBox( string PageTarget, string Content)
{
string ConfirmContent = " varretValue=window.confirm(’ " + Content + " ’); " + " if(retValue){window.location=’ " + PageTarget + " ’;} " ;
ConfirmContent = ScriptBegin + ConfirmContent + ScriptEnd;
PageParameterPage = (Page)System.Web.HttpContext.Current.Handler;
ParameterPage.RegisterStartupScript( " confirm " ,ConfirmContent);
// Response.Write(strScript);
}
1.1
取当前年月日时分秒
currentTime = System.DateTime.Now;
1.2 取当前年
int 年 = DateTime.Now.Year;
1.3 取当前月
int 月 = DateTime.Now.Month;
1.4 取当前日
int 日 = DateTime.Now.Day;
1.5 取当前时
int 时 = DateTime.Now.Hour;
1.6 取当前分
int 分 = DateTime.Now.Minute;
1.7 取当前秒
int 秒 = DateTime.Now.Second;
1.8 取当前毫秒
int 毫秒= DateTime.Now.Millisecond;
29.自定义分页代码
currentTime = System.DateTime.Now;
1.2 取当前年
int 年 = DateTime.Now.Year;
1.3 取当前月
int 月 = DateTime.Now.Month;
1.4 取当前日
int 日 = DateTime.Now.Day;
1.5 取当前时
int 时 = DateTime.Now.Hour;
1.6 取当前分
int 分 = DateTime.Now.Minute;
1.7 取当前秒
int 秒 = DateTime.Now.Second;
1.8 取当前毫秒
int 毫秒= DateTime.Now.Millisecond;
//
先定义变量:
public static int pageCount; // 总页面数
public static int curPageIndex = 1 ; // 当前页面
// 下一页:
if (DataGrid1.CurrentPageIndex<(DataGrid1.PageCount - 1 ))
{
DataGrid1.CurrentPageIndex += 1 ;
curPageIndex += 1 ;
}
bind(); // DataGrid1数据绑定函数
// 上一页:
if (DataGrid1.CurrentPageIndex> 0 )
{
DataGrid1.CurrentPageIndex += 1 ;
curPageIndex -= 1 ;
}
bind(); // DataGrid1数据绑定函数
// 直接页面跳转:
int a = int .Parse(JumpPage.Value.Trim()); // JumpPage.Value.Trim()为跳转值
if (a<DataGrid1.PageCount)
{
this .DataGrid1.CurrentPageIndex = a;
}
bind();
30.DataGrid使用
public static int pageCount; // 总页面数
public static int curPageIndex = 1 ; // 当前页面
// 下一页:
if (DataGrid1.CurrentPageIndex<(DataGrid1.PageCount - 1 ))
{
DataGrid1.CurrentPageIndex += 1 ;
curPageIndex += 1 ;
}
bind(); // DataGrid1数据绑定函数
// 上一页:
if (DataGrid1.CurrentPageIndex> 0 )
{
DataGrid1.CurrentPageIndex += 1 ;
curPageIndex -= 1 ;
}
bind(); // DataGrid1数据绑定函数
// 直接页面跳转:
int a = int .Parse(JumpPage.Value.Trim()); // JumpPage.Value.Trim()为跳转值
if (a<DataGrid1.PageCount)
{
this .DataGrid1.CurrentPageIndex = a;
}
bind();
//
添加删除确认:
private void DataGrid1_ItemCreated( object sender,System.Web.UI.WebControls.DataGridItemEventArgse)
{
foreach (DataGridItemdi in this .DataGrid1.Items)
{
if (di.ItemType == ListItemType.Item || di.ItemType == ListItemType.AlternatingItem)
{
((LinkButton)di.Cells[ 8 ].Controls[ 0 ]).Attributes.Add( " onclick " , " returnconfirm(’确认删除此项吗?’); " );
}
}
}
// 样式交替:
ListItemTypeitemType = e.Item.ItemType;
if (itemType == ListItemType.Item)
{
e.Item.Attributes[ " onmouseout " ] = " javascript:this.style.backgroundColor=’#FFFFFF’; " ;
e.Item.Attributes[ " onmouseover " ] = " javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’; " ;
}
else if (itemType == ListItemType.AlternatingItem)
{
e.Item.Attributes[ " onmouseout " ] = " javascript:this.style.backgroundColor=’#a0d7c4’; " ;
e.Item.Attributes[ " onmouseover " ] = " javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’; " ;
}
// 添加一个编号列:
DataTabledt = c.ExecuteRtnTableForAccess(sqltxt); // 执行sql返回的DataTable
DataColumndc = dt.Columns.Add( " number " ,System.Type.GetType( " System.String " ));
for ( int i = 0 ;i<dt.Rows.Count;i ++ )
{
dt.Rows[i][ " number " ] = (i + 1 ).ToString();
}
DataGrid1.DataSource = dt;
DataGrid1.DataBind();
// DataGrid1中添加一个CheckBox,页面中添加一个全选框
private void CheckBox2_CheckedChanged( object sender,System.EventArgse)
{
foreach (DataGridItemthisitem in DataGrid1.Items)
{
((CheckBox)thisitem.Cells[ 0 ].Controls[ 1 ]).Checked = CheckBox2.Checked;
}
}
// 将当前页面中DataGrid1显示的数据全部删除
foreach (DataGridItemthisitem in DataGrid1.Items)
{
if (((CheckBox)thisitem.Cells[ 0 ].Controls[ 1 ]).Checked)
{
string strloginid = DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
Del(strloginid); // 删除函数
}
}
private void DataGrid1_ItemCreated( object sender,System.Web.UI.WebControls.DataGridItemEventArgse)
{
foreach (DataGridItemdi in this .DataGrid1.Items)
{
if (di.ItemType == ListItemType.Item || di.ItemType == ListItemType.AlternatingItem)
{
((LinkButton)di.Cells[ 8 ].Controls[ 0 ]).Attributes.Add( " onclick " , " returnconfirm(’确认删除此项吗?’); " );
}
}
}
// 样式交替:
ListItemTypeitemType = e.Item.ItemType;
if (itemType == ListItemType.Item)
{
e.Item.Attributes[ " onmouseout " ] = " javascript:this.style.backgroundColor=’#FFFFFF’; " ;
e.Item.Attributes[ " onmouseover " ] = " javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’; " ;
}
else if (itemType == ListItemType.AlternatingItem)
{
e.Item.Attributes[ " onmouseout " ] = " javascript:this.style.backgroundColor=’#a0d7c4’; " ;
e.Item.Attributes[ " onmouseover " ] = " javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’; " ;
}
// 添加一个编号列:
DataTabledt = c.ExecuteRtnTableForAccess(sqltxt); // 执行sql返回的DataTable
DataColumndc = dt.Columns.Add( " number " ,System.Type.GetType( " System.String " ));
for ( int i = 0 ;i<dt.Rows.Count;i ++ )
{
dt.Rows[i][ " number " ] = (i + 1 ).ToString();
}
DataGrid1.DataSource = dt;
DataGrid1.DataBind();
// DataGrid1中添加一个CheckBox,页面中添加一个全选框
private void CheckBox2_CheckedChanged( object sender,System.EventArgse)
{
foreach (DataGridItemthisitem in DataGrid1.Items)
{
((CheckBox)thisitem.Cells[ 0 ].Controls[ 1 ]).Checked = CheckBox2.Checked;
}
}
// 将当前页面中DataGrid1显示的数据全部删除
foreach (DataGridItemthisitem in DataGrid1.Items)
{
if (((CheckBox)thisitem.Cells[ 0 ].Controls[ 1 ]).Checked)
{
string strloginid = DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
Del(strloginid); // 删除函数
}
}