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POHow can I retrieve the value from a Dictionary using a Repeater's ItemIndex?
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2012-02-01T17:31:36.707
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2012-02-01T17:38:40.247
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2012-02-01T17:38:40.247
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<p>I was given a page that I need to modify and it has a Repeater with an ItemTemplate that contains the fields to enter a person's address. Each address field looks something like this</p> <pre><code><input type="text" id="line1<%# ((RepeaterItem)Container).ItemIndex + 1%>" name="line1<%# ((RepeaterItem)Container).ItemIndex + 1%>" /> </code></pre> <p>You can see that we are appending the ItemIndex of the repeater onto the end of the html id and name fields for the text box. </p> <p>In the Code-behind we have a class called DataProxy which is basically a dictionary that is built off of Request.Params and we normally use it to re-populate a form with what a user entered. For example, they put data on a form, submit it, but validation fails because a couple of fields are empty, but we want to re-populate what they had previously entered. We would do that like this:</p> <pre><code><input type="text" name="myTextBox" id="myTextBox" value="<%: DataProxy["myTextBox"].ToString() %>" /> </code></pre> <p>Normally this works great, but it's not working inside this repeater and I believe it is because the DataBind for the repeater occurs after we have already searched the DataProxy dictionary for our value. This is the code I'm using:</p> <pre><code><input type="text" id="line1<%# ((RepeaterItem)Container).ItemIndex + 1%>" name="line1<%# ((RepeaterItem)Container).ItemIndex + 1%>" value="<%# DataProxy["line1" + (((RepeaterItem)Container).ItemIndex + 1).ToString()] %>" /> </code></pre> <p>Is there a way that I can access my DataProxy dictionary with the ItemIndex property from the Repeater?</p> <p>Just a note, my repeater is being Data-bound in Page_Load().</p>
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<c#><data-binding><repeater>
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How can I retrieve the value from a Dictionary using a Repeater's ItemIndex?
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