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    Question how do i validate textbox input against drop down list value range

    yes i had noted that error and removed the quote already
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    Question how do i validate textbox input against drop down list value range

    thanks...yes it has validated...if i put value outside the range it displays the msgbox but if i put correct value on this line dim uppervalue as integer it displays an index out of range exception saying index was outside the bounds of the array
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    Question how do i validate textbox input against drop down list value range

    many thanks for the response. however i am getting a format exception on this line Dim lowerValue As Integer = Convert.ToInt32(SplitValues(0)) that says input string was not in a correct format. my weight range selected is 2-85
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    Question how do i validate textbox input against drop down list value range

    i have a drop down list with weight range values i.e 1-50 or 51-70 and so forth and i have a textbox that the user enters a value for the weight according to the weight range. i want the user to only enter a value within this range and how do i validate for this
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    Question from datagrid to textbox

    i have a datagrid and i am not sure which event to use or how to use it. I want a situation whereby a user clicks or selects an item and it shows in a textbox then i have a button that will delete that item from the database
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    Question how do i disable mdi menu item when a form loads and enable it when it closes

    how do i disable the menu items on mdi parent form when i open a child form and enable them when i close the form. i am trying to enable only one form from opening at a time. i have used .showdialog on some forms and its working perfectly, but on this one i have a button that opens another form...
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