我想使用文化信息来传递datetime的值。 [英] I want to use culture info to pass the value of datetime .

问题描述

 <   asp：GridView     ID   =  GridView1     class   =  gridview    runat   =  server  
   
                           AutoGenerateColumns   =  false    onrowcreated   =  GridView1_RowCreated >  
 <  列 < span class =code-keyword>>  
 <   asp：TemplateField     HeaderText   =  ID >  
 <  < span class =code-leadattribute> ItemTemplate  >  
 <   asp：Label     ID   =  Lid    runat   =  server    Text   ='  <％ #Eval（  id）％> '  /  >  
 <   / ItemTemplate  >  
 <   / asp：TemplateField  >  
 
 <   asp：TemplateField       HeaderText   =  NAME >  
 <   ItemTemplate  >  
 <   asp：标签    ID   =  Lname    runat   =  server   文字  ='   <％ #Eval（ < span class =code-string> name）％> '    /  >  
 <   / ItemTemplate  >  
 < ;   / asp：TemplateField  >  
 
 <   asp：TemplateField       HeaderText   =  DATE >  
 <   ItemTemplate  >  
 < ;   asp：标签    ID   =  Ldate    runat   =  server   文本  ='  < span class =code-pagedirective><％ #Eval（  date ）％> '    /  >  <   / ItemTemplate  >  
 <   / asp：TemplateField  >  
 
 <   asp：TemplateField      < span class =code-attribute> HeaderText   =  DATE >  
 <   ItemTemplate  >  
 <   asp：LinkBut​​ton     ID   =  LinkBut​​ton1    runat   =  server   文本  = 编辑    CommandName   = 编辑  /  >  <   / ItemTemplate  >  
 <   / asp：TemplateField   >  
 
 <   asp：Te mplateField    >  
 < ;   ItemTemplate  >  
  <   asp：LinkBut​​ton     ID   =  LinkBut​​ton1    runat   =  server   文字  = 删除    CommandName   =  DELETE  /  >  <   / ItemTemplate  >  
 <   / asp：TemplateField  >  
 
 
 <   / columns  >  
 <   / asp：GridView  >  

< br $> b $ b



这是我插入按钮的代码..

protected void Button1_Click（object sender，EventArgs e）

{

string name = TextBox2.Text;

System.Globalization.CultureInfo cultureinfo = new System.Globalization.CultureInfo（nl-NL ）;

DateTime dat e = DateTime.Parse（DateTime，cultureinfo）;

cmd.CommandText = @插入cultureinfo（名称，日期）值（@ name，@ date）;

cmd.Parameters.AddWithValue（@ name，name）;

cmd.Parameters.AddWithValue（@ date，date）;

cmd.ExecuteNonQuery（）;

cmd.Connection = conn;

conn.Open（）;

conn.Close（）;

gvbind（） ;





}

解决方案

CultureInfo 实现接口 System.IFormatProvider ，因此可以传递给 System.DataTime 期望此接口类型的参数。这些是方法 ToString 和 Parse ， TryParse ， ParseExact ， TryParseExact ：

https://msdn.microsoft.com/en-us/library/system.datetime.tostring%28v=vs。 110％29.aspx [ ^ ]，

https://msdn.microsoft.com/en-us/library/system.datetime.parse%28v=vs.110%29.aspx [<一个href =https://msdn.microsoft.com/en-us/library/system.datetime.parse%28v=vs.110%29.aspxtarget =_ blanktitle =New Window> ^ ]，

https://msdn.microsoft.com/en-us/library/system.datetime.parseexact%28v=vs.110%29.aspx [<啊ref =https://msdn.microsoft.com/en-us/library/system.datetime.parseexact%28v=vs.110%29.aspxtarget =_ blanktitle =New Window> ^ ]，

https://msdn.microsoft.com/en-us/library/system.datetime.tryparse%28v=vs.110%29.aspx [ ^ ]，

https://msdn.microsoft.com/en- us / library / system.datetime.tryparseexact％28v = vs.110％29.aspx [ ^ ]。

- SA

<asp:GridView ID="GridView1" class="gridview" runat="server"

            AutoGenerateColumns="false" onrowcreated="GridView1_RowCreated">
        <columns>
        <asp:TemplateField HeaderText="ID">
        <ItemTemplate>
          <asp:Label ID="Lid" runat="server" Text='<% #Eval("id") %>'/>
         </ItemTemplate>
        </asp:TemplateField>

        <asp:TemplateField  HeaderText="NAME">
        <ItemTemplate>
          <asp:Label ID="Lname" runat="server" Text='<% #Eval("name") %>' />
          </ItemTemplate>
        </asp:TemplateField>

 <asp:TemplateField  HeaderText="DATE">
        <ItemTemplate>
          <asp:Label ID="Ldate" runat="server" Text='<% #Eval("date") %>' /></ItemTemplate>
        </asp:TemplateField>

        <asp:TemplateField  HeaderText="DATE">
        <ItemTemplate>
           <asp:LinkButton ID="LinkButton1" runat="server" Text="Edit" CommandName="EDIT"/></ItemTemplate>
        </asp:TemplateField>

<asp:TemplateField >
        <ItemTemplate>
          <asp:LinkButton ID="LinkButton1" runat="server" Text="Delete" CommandName="DELETE"/></ItemTemplate>
        </asp:TemplateField>


        </columns>
        </asp:GridView>

this is my code for insert button..
protected void Button1_Click(object sender, EventArgs e)
{
string name = TextBox2.Text;
System.Globalization.CultureInfo cultureinfo =new System.Globalization.CultureInfo("nl-NL");
DateTime date = DateTime.Parse(DateTime, cultureinfo);
cmd.CommandText=@"insert into cultureinfo(name,date)values(@name,@date)";
cmd.Parameters.AddWithValue(@name, name);
cmd.Parameters.AddWithValue(@date, date);
cmd.ExecuteNonQuery();
cmd.Connection = conn;
conn.Open();
conn.Close();
gvbind();


}

解决方案

CultureInfo implements the interface System.IFormatProvider, so it can be passed to the methods of System.DataTime expecting the parameter of this interface type. These are methods ToString and Parse, TryParse, ParseExact, TryParseExact:
https://msdn.microsoft.com/en-us/library/system.datetime.tostring%28v=vs.110%29.aspx[^],
https://msdn.microsoft.com/en-us/library/system.datetime.parse%28v=vs.110%29.aspx[^],
https://msdn.microsoft.com/en-us/library/system.datetime.parseexact%28v=vs.110%29.aspx[^],
https://msdn.microsoft.com/en-us/library/system.datetime.tryparse%28v=vs.110%29.aspx[^],
https://msdn.microsoft.com/en-us/library/system.datetime.tryparseexact%28v=vs.110%29.aspx[^].

—SA

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