无误选择列表项的值或文本 listbox,dropdownlist,radiobuttonlist 函数

//选中选项
public void SelectListIndex(ref ListControl wc, string textOrValue, bool isText)
{

string tempType = wc.GetType().ToString();
tempType = tempType.Replace("System.Web.UI.WebControls.", "").ToLower();
if (tempType == "listbox")
{
if (isText)
((ListBox)wc).SelectedIndex = ((ListBox)wc).Items.IndexOf(((ListBox)wc).Items.FindByText(textOrValue));
else
((ListBox)wc).SelectedIndex = ((ListBox)wc).Items.IndexOf(((ListBox)wc).Items.FindByValue(textOrValue));

}
else if (tempType == "dropdownlist")
{

if (isText)
((DropDownList)wc).SelectedIndex = ((DropDownList)wc).Items.IndexOf(((DropDownList)wc).Items.FindByText(textOrValue));
else
((DropDownList)wc).SelectedIndex = ((DropDownList)wc).Items.IndexOf(((DropDownList)wc).Items.FindByValue(textOrValue));

}
else if (tempType == "radiobuttonlist")
{

if (isText)
((RadioButtonList)wc).SelectedIndex = ((RadioButtonList)wc).Items.IndexOf(((RadioButtonList)wc).Items.FindByText(textOrValue));
else
((RadioButtonList)wc).SelectedIndex = ((RadioButtonList)wc).Items.IndexOf(((RadioButtonList)wc).Items.FindByValue(textOrValue));

}
}

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