Using jquery you should do it First read the values of the drop down Concatenate it Assign the value to the text box .

Hi. In your 3rd dropdown add onchange function like this, @Html.DropDownListFor(m => m.State, new SelectList(ViewBag.StateList, "StateId", "StateName"), "Select state", new { @class = "form-control", @id="ddl3", @onchange="FillCity()" }) and write the FillCity() like this, function FillCity(){ // Here get the value of all 3 dropdown using jquery and perform add operation // and assign the same value to textbox using jquery } One more thing give "id" in all dropdown and textbox. thanks.

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how to bind 3 dropdown values into a textbox in asp.net mvc

sarojkumar dash

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how to bind 3 dropdown values into a textbox in asp.net mvc

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