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• Programmatically create two-way templatefield in GridView

  Hello, I have a programatically generated GridView with a TemplateField in it. I can create the TemplateField and the controls within the TemplateField without an issue. I can also Bind the data from my GridView to the controls in the TemplateField, but only one-way. I'd like the control to also work with the Update command on the GridView. To bind the data to the control I add an event handler for the DataBinding event, and in that event I use the following code: ck.Checked = (bool)DataBinder

  Posted to Data Presentation Controls (Forum) by benfinkel on 11/12/2009

• Re: creating 2-way databinding templatefields programmatically

  I realize this is an old topic but I came across it searching for the same answer. I have resolved the problem for myself, see my post here: http://forums.asp.net/p/1492028/3509400.aspx#3509400 Short Story: Override the RowUpdating event (or FormUpdating or whatever control you're using) and add the fields manually to the keys.

  Posted to Data Presentation Controls (Forum) by benfinkel on 11/12/2009

• Re: Programmatically create two-way templatefield in GridView

  I have resolved this issue. To get two-way binding working, I had to override the RowUpdating event of the GridView itself and add the keys manually. See this code: void eCRFContactGrid_RowUpdating(object sender, GridViewUpdateEventArgs e) { bool value; value = ((CheckBox)this.Rows[e.RowIndex].Cells[5].FindControl("ckQueries")).Checked; e.NewValues.Add("Queries",value.ToString()); }

  Posted to Data Presentation Controls (Forum) by benfinkel on 11/12/2009

• CustomValidator, client-side validation, and a custom composite control

  I am trying to get a CustomValidator doing client-side validation on my custom composite control, and having very little luck. Here is my Custom control code (truncated for brevity): [ ValidationPropertyAttribute("IsValid"), ToolboxData("<{0}:eCRFDate runat=\"server\"> </{0}:eCRFDate>") ] public class eCRFDate : CompositeControl { ... public string IsValid { get { if (_boxA.CheckValidity() && _boxB.CheckValidity() && _boxYear.CheckValidity

  Posted to Web Forms (Forum) by benfinkel on 11/10/2009

• Get the System.IO.Stream of a Panel object?

  Hey guys, For drawing purposes, I'm trying to get a reference to the IO.Stream of an asp.net Panel object. Any idea how this is done? Thanks!

  Posted to Web Forms (Forum) by benfinkel on 9/24/2009

• Re: Textboxes, SQLDataSource, Blanks, and Zeros

  It's a good thought, but 0 IS a valid response. I can't blank out a 0, which was a correct entry. The root problem is that NULL is different than 0 and I need to know which was entered.

  Posted to Web Forms (Forum) by benfinkel on 3/12/2009

• Re: Textboxes, SQLDataSource, Blanks, and Zeros

  Thank you for the quick reply, It helps some. I don't entriely follow the int/nullable int line of discussion. In an SQL Table fields defined as int can be null. A Stored Procedure that accepts a parameter of type int can accept null as a valid value for that parameter and will successfully insert that value into your table. In my ASP.NET code (see below) I am using a TextBox with the Bind("MyIntField") function on a FormView, that then references a SQLDataSource which has an UpdateCommend

  Posted to Web Forms (Forum) by benfinkel on 3/12/2009

• Textboxes, SQLDataSource, Blanks, and Zeros

  Good Morning, I've got a problem: When you update an integer field in SQL Table, with a Stored Procedure, through a SQLDataSource using a TextBox on a FormView control, if the TextBox is left blank a 0 ends up in the table, as opposed to a NULL. Now, this may not SEEM like a big deal, but in my case it is. My app is being used to collect clinical data and there is a big difference between a 0 and a NULL. In short, a 0 is a valid, correct entry for the field that was (supposedly) keyed in by the

  Posted to Web Forms (Forum) by benfinkel on 3/12/2009

• Re: Converting kgs to lbs with dynamic javascript in Formview

  I moved it all to the FormView prerender event. That seems to have done the trick.

  Posted to Web Forms (Forum) by benfinkel on 2/11/2009

• Re: Converting kgs to lbs with dynamic javascript in Formview

  Okay, I tried setting my DefaultMode to Edit and the FindControl STILL returns Null. What am I missing? Thanks!

  Posted to Web Forms (Forum) by benfinkel on 2/11/2009