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	<title>Pseudonerd &#187; dotnet</title>
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		<title>formatando data em uma maskedtextbox</title>
		<link>http://pseudonerd.com/programacao/formatando-data-em-uma-maskedtextbox-156</link>
		<comments>http://pseudonerd.com/programacao/formatando-data-em-uma-maskedtextbox-156#comments</comments>
		<pubDate>Fri, 18 Jul 2008 17:04:40 +0000</pubDate>
		<dc:creator>adlersd</dc:creator>
				<category><![CDATA[dotnet]]></category>
		<category><![CDATA[programação]]></category>
		<category><![CDATA[vb]]></category>
		<category><![CDATA[DataBindings.Add]]></category>
		<category><![CDATA[MaskedtextBox]]></category>

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		<description><![CDATA[Por algumas razões não poderia utilizar o DateTimePicker, optando assim por uma MaskedTextBox, conforme o código abaixo, ao inserir a data no banco de dados, nenhum problema é encontrado como esperado. 1 2 3 4 5 6 7 8 ' 'dtpDataNascimento ' Me.dtpDataNascimento.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle Me.dtpDataNascimento.Location = New System.Drawing.Point&#40;687, 128 &#41; Me.dtpDataNascimento.Mask = &#34;00/00/0000&#34; Me.dtpDataNascimento.Name [...]
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			<content:encoded><![CDATA[<p>Por algumas razões não poderia utilizar o DateTimePicker, optando assim por uma MaskedTextBox, conforme o código abaixo, ao inserir a data no banco de dados, nenhum problema é encontrado como esperado.</p>

<div class="wp_syntax"><table><tr><td class="line_numbers"><pre>1
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</pre></td><td class="code"><pre class="vbnet" style="font-family:monospace;"><span style="color: #008080; font-style: italic;">'</span>
<span style="color: #008080; font-style: italic;">'dtpDataNascimento</span>
<span style="color: #008080; font-style: italic;">'</span>
<span style="color: #FF8000;">Me</span>.<span style="color: #0000FF;">dtpDataNascimento</span>.<span style="color: #0000FF;">BorderStyle</span> <span style="color: #008000;">=</span> System.<span style="color: #0000FF;">Windows</span>.<span style="color: #0000FF;">Forms</span>.<span style="color: #0000FF;">BorderStyle</span>.<span style="color: #0000FF;">FixedSingle</span>
<span style="color: #FF8000;">Me</span>.<span style="color: #0000FF;">dtpDataNascimento</span>.<span style="color: #0000FF;">Location</span> <span style="color: #008000;">=</span> <span style="color: #FF8000;">New</span> System.<span style="color: #0000FF;">Drawing</span>.<span style="color: #0000FF;">Point</span><span style="color: #000000;">&#40;</span><span style="color: #FF0000;">687</span>, <span style="color: #FF0000;">128</span> <span style="color: #000000;">&#41;</span>
<span style="color: #FF8000;">Me</span>.<span style="color: #0000FF;">dtpDataNascimento</span>.<span style="color: #0000FF;">Mask</span> <span style="color: #008000;">=</span> <span style="color: #808080;">&quot;00/00/0000&quot;</span>
<span style="color: #FF8000;">Me</span>.<span style="color: #0000FF;">dtpDataNascimento</span>.<span style="color: #0000FF;">Name</span> <span style="color: #008000;">=</span> <span style="color: #808080;">&quot;dtpDataNascimento&quot;</span>
<span style="color: #FF8000;">Me</span>.<span style="color: #0000FF;">dtpDataNascimento</span>.<span style="color: #0000FF;">Size</span> <span style="color: #008000;">=</span> <span style="color: #FF8000;">New</span> System.<span style="color: #0000FF;">Drawing</span>.<span style="color: #0000FF;">Size</span><span style="color: #000000;">&#40;</span><span style="color: #FF0000;">105</span>, <span style="color: #FF0000;">20</span><span style="color: #000000;">&#41;</span></pre></td></tr></table></div>

<p>Mas, ao resgatar a data de volta ao campo, para manutenção, os zeros desaparecem. Ex.: data no banco de dados  <strong>1944-08-27</strong>, mas no MaskeTextBox ela é exibida como <strong>27/81/994</strong>_.</p>
<p>o problema é a formatação da data, formatarmos como o código abaixo:</p>

<div class="wp_syntax"><table><tr><td class="line_numbers"><pre>1
</pre></td><td class="code"><pre class="vbnet" style="font-family:monospace;"><span style="color: #FF8000;">Me</span>.<span style="color: #0000FF;">dtpDataNascimento</span>.<span style="color: #0000FF;">DataBindings</span>.<span style="color: #0000FF;">Add</span><span style="color: #000000;">&#40;</span><span style="color: #808080;">&quot;Text&quot;</span>, dataset, <span style="color: #808080;">&quot;nome_do_campo&quot;</span>, <span style="color: #0600FF;">True</span>, DataSourceUpdateMode.<span style="color: #0000FF;">OnValidation</span>, <span style="color: #808080;">&quot;&quot;</span>, <span style="color: #808080;">&quot;dd/MM/yyyy&quot;</span><span style="color: #000000;">&#41;</span></pre></td></tr></table></div>

<p>abraço,<br />
até&#8230;</p>
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