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EmptyMessage for Filter textbox

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Farshad heidary
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Farshad heidary asked on 30 Apr 2010, 06:46 AM
hi guys

how i can set empty message to Filter?
my column is Template column

tnx

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Princy
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answered on 30 Apr 2010, 11:35 AM
Hi,

You could access the textbox in the FiteringItem and set the watermark for the textbox by using custom logic. Attach onfocus/onblur events for textbox control and set the Text property accordingly, in order to achieve the desired functionality. Try the code in ItemDataBound event of RadGrid. Here is the code example that I tried.

cs:
      
        protected void RadGrid1_ItemDataBound(object sender, GridItemEventArgs e) 
        { 
            if (e.Item is GridFilteringItem) 
            { 
                GridFilteringItem filerItem = (GridFilteringItem)e.Item; 
                TextBox textItem = (TextBox)filerItem["TempColumn"].Controls[0]; 
                textItem.Text = "Type the filter"
                textItem.Attributes.Add("onBlur", "return SetMessage(" + textItem.ClientID + ");"); 
                textItem.Attributes.Add("onFocus", "return ClearMessage(" + textItem.ClientID + ");"); 
            } 
        } 

aspx:
 
             <MasterTableView>           
                <Columns> 
                    <telerik:GridTemplateColumn UniqueName="TempColumn">         
                        <ItemTemplate>  
                         ............... 
                        </ItemTemplate> 
                      </telerik:GridTemplateColumn> 
                     ............... 
                 </Columns>  
               </MasterTableView>  
 

Javascript:
<script language="javascript" type="text/javascript"
 
    function ClearMessage(obj) { 
        if (obj.value == "Type the filter"
            obj.value = ""
    } 
    function SetMessage(obj) { 
        if (obj.value == ""
            obj.value = "Type the filter"
    } 
</script> 

Regards,
Princy.
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Farshad heidary
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Princy
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