Email C#通过电子邮件发送GridView/DataTables
我正在尝试找到在电子邮件中发送GridView或DataTable的最佳方式 页面隐藏代码:Email C#通过电子邮件发送GridView/DataTables,email,gridview,c#-2.0,Email,Gridview,C# 2.0,我正在尝试找到在电子邮件中发送GridView或DataTable的最佳方式 页面隐藏代码: protected void Page_Load(object sender, EventArgs e) { DataTable s1 = Sql.specificReportData(Convert.ToInt32(Session["userID"])); this.gv.DataSource = s1.DefaultView; this.gv.DataBind(); } 这会成功地生成并绑定数据,
protected void Page_Load(object sender, EventArgs e)
{
DataTable s1 = Sql.specificReportData(Convert.ToInt32(Session["userID"]));
this.gv.DataSource = s1.DefaultView;
this.gv.DataBind();
}
这会成功地生成并绑定数据,但如果我尝试将gv的内容添加到HTML编码的电子邮件中,则电子邮件的gv部分为空。我是否需要更改GridView以使其符合HTML?我找不到一个这样做的例子。谢谢你的帮助
编辑:回答Solairaya,他给出了更完整的例子,以及物体冲洗和处理。在两个答案上都做了标记,因为他们都有帮助
Try this (C#):
使用System.IO;
使用系统文本;
使用System.Net.Mail
private string GridViewToHtml(GridView gv)
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
HtmlTextWriter hw = new HtmlTextWriter(sw);
gv.RenderControl(hw);
return sb.ToString();
}
protected void SendMailButton_Click(object sender, EventArgs e)
{
MailMessage mail = new MailMessage();
mail.Body = GridViewToHtml(GridView1);
mail.IsBodyHtml = true;
......
}
public override void VerifyRenderingInServerForm(Control control)
{
}
试试这个
Try this (C#):
使用System.IO;
使用系统文本;
使用System.Net.Mail
private string GridViewToHtml(GridView gv)
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
HtmlTextWriter hw = new HtmlTextWriter(sw);
gv.RenderControl(hw);
return sb.ToString();
}
protected void SendMailButton_Click(object sender, EventArgs e)
{
MailMessage mail = new MailMessage();
mail.Body = GridViewToHtml(GridView1);
mail.IsBodyHtml = true;
......
}
public override void VerifyRenderingInServerForm(Control control)
{
}
页面隐藏代码
protected void Button1_Click(object sender, EventArgs e)
{
Label1.Text = getHTML(GridView1);
}
private string getHTML(GridView gv)
{
StringBuilder sb = new StringBuilder();
StringWriter textwriter = new StringWriter(sb);
HtmlTextWriter htmlwriter = new HtmlTextWriter(textwriter);
gv.RenderControl(htmlwriter);
htmlwriter.Flush();
textwriter.Flush();
htmlwriter.Dispose();
textwriter.Dispose();
return sb.ToString();
}
public override void VerifyRenderingInServerForm(Control control)
{
return;
}
页面代码
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataSourceID="SqlDataSource1">
<Columns>
<asp:BoundField DataField="UserID" HeaderText="UserID" SortExpression="UserID" />
<asp:BoundField DataField="Name" HeaderText="Name" SortExpression="Name" />
<asp:BoundField DataField="Email" HeaderText="Email" SortExpression="Email" />
</Columns>
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:DBConnectionString %>"
SelectCommand="SELECT [UserID], [Name], [Email] FROM [WEB_Users] WHERE ([Name] LIKE '%' + @Name + '%')">
<SelectParameters>
<asp:Parameter DefaultValue="%Moha%" Name="Name" Type="String" />
</SelectParameters>
</asp:SqlDataSource>
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" />
<br />
<br />
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label></div>
</form>
代码后面的页面
protected void Button1_Click(object sender, EventArgs e)
{
Label1.Text = getHTML(GridView1);
}
private string getHTML(GridView gv)
{
StringBuilder sb = new StringBuilder();
StringWriter textwriter = new StringWriter(sb);
HtmlTextWriter htmlwriter = new HtmlTextWriter(textwriter);
gv.RenderControl(htmlwriter);
htmlwriter.Flush();
textwriter.Flush();
htmlwriter.Dispose();
textwriter.Dispose();
return sb.ToString();
}
public override void VerifyRenderingInServerForm(Control control)
{
return;
}
页面代码
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataSourceID="SqlDataSource1">
<Columns>
<asp:BoundField DataField="UserID" HeaderText="UserID" SortExpression="UserID" />
<asp:BoundField DataField="Name" HeaderText="Name" SortExpression="Name" />
<asp:BoundField DataField="Email" HeaderText="Email" SortExpression="Email" />
</Columns>
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:DBConnectionString %>"
SelectCommand="SELECT [UserID], [Name], [Email] FROM [WEB_Users] WHERE ([Name] LIKE '%' + @Name + '%')">
<SelectParameters>
<asp:Parameter DefaultValue="%Moha%" Name="Name" Type="String" />
</SelectParameters>
</asp:SqlDataSource>
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" />
<br />
<br />
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label></div>
</form>
如何获取gv的内容?我尝试将gv转换为字符串,并将其连接到stringbuilder,后者用作电子邮件的内容。我没想到它会起作用,但我不确定gv在什么时候会呈现为HTML,或者哪种方式才是准备发送电子邮件的最佳方式。你是如何获取gv的内容的?我尝试将gv转换为字符串并将其连接到stringbuilder,后者被用作电子邮件的内容。我没想到它会起作用,但我不确定gv在什么时候会被呈现为HTML,或者哪种方式才是准备发送电子邮件的最佳方式。谢谢Pandiya。刚刚尝试了这个,但不幸的是电子邮件是空的。我调试了StringBuilder sb,当它返回时,它是空的。我要传递的Gridview肯定是渲染的,而不是空的。刚刚尝试了这个,但不幸的是电子邮件是空的。我调试了StringBuilder sb,当它返回时,它是空的。我要传递的Gridview肯定是渲染的,而不是Null。数据绑定对此重要吗?因为我已经在pageload上进行数据绑定了。当我在没有数据源和数据绑定的情况下运行时,代码sb的行为null,即使在向它传递gridview时,我知道其中包含数据,如果您将gridview与绑定的数据一起发送的话。无需再次绑定数据。只需渲染并返回它。首先在调试模式下检查gv是否包含结构和数据。当您调用GetHTML方法时,数据绑定对此重要吗?因为我已经在pageload上进行数据绑定了。当我在没有数据源和数据绑定的情况下运行时,代码sb的行为null,即使在向它传递gridview时,我知道其中包含数据,如果您将gridview与绑定的数据一起发送的话。无需再次绑定数据。只需渲染并返回它。首先在调试模式下检查gv是否包含结构和数据。当您调用GetHTML方法时。