Web Forms :: Three States With Image Presentation?
May 23, 2010
I have multiple nested GridView controls where I have one field/column that always have one of three values only (0, 1, and 2) and this is editable field. Now, instead of putting this field as a DropDownList for the end-user to choose either one of these values (0, 1, or 2), I am representing each value with a specific clickable image, so the user can click the image to switch among the mentioned field states (0, 1, or 2).
I managed to do this with ImageButton and AJAX. However, the volume of this field is too high, the page is quite big, and the end-user needs to do change the state/value of this field most frequently, which causing a flicking issue in the page and slowness (because the code is done by AJAX, so in the server side) where the customer is not accepting it.
how we can rectify this issue; for example using javascript coding (but I need to get the selected value from code-behind)? I found the AJAX Toolkit ToggleButtonExtender which is very good and not causing the flicking/slowness issue, but unfortunately, this ToggleButton has only two states while I need three states option.
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public class PopulateLists
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public int FillCountry(ref System.Web.UI.WebControls.DropDownList drpdown)
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drpdown.DataBind();
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}
public int FillState(ref System.Web.UI.WebControls.DropDownList drpdown)
{
SqlDatabase db = new SqlDatabase();
DbCommand cmd = db.GetStoredProcCommand("USP_statesselect");
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drpdown.DataValueField = dsStates.Tables[0].Columns["state_id"].ToString();
drpdown.DataBind();
return 1;
}
.
.
.
}
protected void Page_Load(object sender, EventArgs e)
{
BindDropdowns();
}
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{
PopulateLists objPopulateLists = new PopulateLists();
int bytReturn;
bytReturn = objPopulateLists.FillCountry(ref Drpcountry);
bytReturn = objPopulateLists.FillState(ref Drpstate);
bytReturn = objPopulateLists.FillCity(ref Drpcity);
}
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