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<div id="TextBoxs" runat="server">
<asp:TextBox ID="com1" runat="server" ></asp:TextBox>
<asp:TextBox ID="com2" runat="server" ></asp:TextBox>
<asp:TextBox ID="com2" runat="server" ></asp:TextBox>
</div>
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string[] comArray=dr["comname"].tostring().split(',');
foreach(int i = 0;i<comArray.Lenth;i++)
{
((TextBox)this.TextBoxs.FindControl("com"+(i+1).tostring())).text=comArray[i].tostring();
}
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ASP.NET MVC Best Practices 27+

12 ASP.NET MVC Best Practices
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DomainModel != ViewModel
Use ActionFilters for “shared” data
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Do NEVER user code-behind
Write HTML each time you can
If there is an if, write an HtmlHelper
Choose your view engine carefully
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