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PORetrieving the information from text boxes to a list view
 

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  1. PORetrieving the information from text boxes to a list view
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    <p>I am working in asp.net and i have three text boxes(First Name, Last Name, Middle Initials). There is a list view which shows the content, based on the information entered into text boxes. I am trying to make only the Last Name text box is required for proceeding the information. I already connected the sql data source to list view with the following code: </p> <p> </p> <pre><code> &lt;asp:TabPanel runat="server" HeaderText="Information" ID="TabPanel"&gt; &lt;ContentTemplate&gt; &lt;asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="&lt;%$ Name of the database %&gt;" SelectCommand="SELECT [UserID], [UserSuffix], [UserAddressLine1], [UserAddressLine2], [UserCity], [UserState], [UserZipCode], [UserPhoneNumber], [UserEmail] FROM [AllUsers] WHERE (([UserLastName] = @UserLastName) OR ([UserFirstName] = @UserFirstName) OR ([UserMiddleInitial] = @UserMiddleInitial))"&gt; &lt;SelectParameters&gt; &lt;asp:ControlParameter ControlID="txtUILastName" Name="UserLastName" PropertyName="Text" /&gt; &lt;asp:ControlParameter ControlID="txtUIFirstName" Name="UserFirstName" PropertyName="Text" /&gt; &lt;asp:ControlParameter ControlID="txtUIMI" Name="UserMiddleInitial" PropertyName="Text" /&gt; &lt;/SelectParameters&gt; &lt;/asp:SqlDataSource&gt; &lt;table id = "USERINF"&gt; &lt;tr&gt; &lt;td width="196px" class="style8"&gt; &lt;asp:Label ID="lblFirstName" runat="server" Text="Please enter First Name:"&gt;&lt;/asp:Label&gt; &lt;/td&gt; &lt;td class="style6"&gt; &lt;asp:TextBox ID="txtUIFirstName" runat="server" MaxLength="20"&gt;&lt;/asp:TextBox&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td width="196px" class="style8"&gt; &lt;asp:Label ID="lblLastName" runat="server" Text="Please enter Last Name:"&gt;&lt;/asp:Label&gt; &lt;/td&gt; &lt;td class="style6"&gt; &lt;asp:TextBox ID="txtUILastName" runat="server" MaxLength="20"&gt;&lt;/asp:TextBox&gt; &lt;asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ControlToValidate = "txtUILastName" ValidationExpression = "[a-zA-Z ]{1,20}" ForeColor="Red" ValidationGroup="UserInf" ErrorMessage="First Name must be only a-z,A-Z characters!" Display="Dynamic"&gt;&lt;/asp:RegularExpressionValidator&gt; &lt;asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate = "txtUILastName" ErrorMessage="Please enter Last Name!" ForeColor="Red" ValidationGroup="UserInf" Display="Dynamic"&gt;&lt;/asp:RequiredFieldValidator&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td width="196px" class="style8"&gt; &lt;asp:Label ID="lblMI" runat="server" Text="Please enter Middle Initials:"&gt;&lt;/asp:Label&gt; &lt;/td&gt; &lt;td class="style6"&gt; &lt;asp:TextBox ID="txtUIMI" runat="server" MaxLength="1" Width="30px" style="text-align: center; margin-left:2px"&gt;&lt;/asp:TextBox&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td width="196px" class="style8"&gt; &lt;/td&gt; &lt;td class="style6"&gt; &lt;asp:Button ID="btnIFind" runat="server" Text="Find" ValidationGroup = "UserInf"/&gt; </code></pre> <p>When i enter only Last Name, it does not retrieve any data from the data source, but it works only if i fill into all text boxes. How can i make only one text box is required for retrieving the information ? </p> <p>Find button and text boxes don't have any code behind </p>
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      1. PORetrieving the information from text boxes to a list view
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    1. COCan we see the aspx code for the three text boxes?
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    2. CO<asp:TextBox ID="txtUIFirstName" runat="server" MaxLength="20"></asp:TextBox> <asp:TextBox ID="txtUILastName" runat="server" MaxLength="20"></asp:TextBox> <asp:TextBox ID="txtUIMI" runat="server" MaxLength="1" Width="30px" style="text-align: center;margin-left:2px"></asp:TextBox>
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    3. COHi user2200425, you can edit your original question and add the text boxes' code; that'll make it easier to read. Now, at what point does the data get refreshed? Is there a button on your page? I don't see any methods attached to the text boxes, so that's why I'm asking. Thanks.
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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