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&lt;= instead of &lt;&nbsp;if it cannot be 1900<br />
<br />
you can also do it as <br />
System.DateTime Acceptable = Convert.ToDateTime(&quot;1/1/19<wbr />00&quot;);<br />
if(Convert.ToDateTime(T.Te<wbr />xt) &gt;&nbsp;Acceptable)<br />
{<br />
ok<br />
}<br />
else<br />
{<br />
uh oh<br />
}
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<= instead of < if it cannot be 1900

you can also do it as
System.DateTime Acceptable = Convert.ToDateTime("1/1/1900");
if(Convert.ToDateTime(T.Text) > Acceptable)
{
ok
}
else
{
uh oh
}

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<div class="content wysiwyg-content">
I need to be able to validate that a year put in to a text box is greater than the year 1900. &nbsp;I have no idea of how to accomplish this. &nbsp;Please help.
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I need to be able to validate that a year put in to a text box is greater than the year 1900.  I have no idea of how to accomplish this.  Please help.

Date validation C# asp.net.

C# is an object-oriented programming language created in conjunction with Microsoft’s .NET framework. Compilation is usually done into the Microsoft Intermediate Language (MSIL), which is then JIT-compiled to native code (and cached) during execution in the Common Language Runtime (CLR).