Forms Data Controls :: DropDownList Is Showing Double Values?

Jun 10, 2010

I have a DropDownList on my webpage using an Access Database to fill it. However in my database record there a multible values with the same name.

My situation now:

MyDropDownList1
-ValueBaarlo
-ValueBaarlo
-ValueVenlo
-ValueMaasbree
-ValueMaasbree
-ValueMaasbree
-ValueMaasbree

What I want:

MyDropDownList1
-ValueBaarlo
-ValueVenlo
-ValueMaasbree

I only want to show every value (name) just once!

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[Code]....

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[Code]....

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[Code]....

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[Code]....

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[Code].....

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[Code]....

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[Code]....

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[Code]....

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</asp:templateField>
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When I select new value from dropDownList and press update the DropDownList's selection is restored to original (previous) value.
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[Code]....

This one doesn't work [Code]....

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I have a problem with keeping the selected values in DropDownLists in rows in GridView while paging. I have this code behind:

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dt.Columns.Add(new DataColumn("Ime", typeof(string)));
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dr["LinijaID"] = LinijaID;
dr["Ime"] = Name;
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When I insert a value in the TextBox2 and want to select only the rows from the GridView from different pages which have value in the first column the same as the value in the TextBox2, after clicking on Button1 I get this error:

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

[Code]....

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