如何在asp.net的GridView中按列名获取索引值

问题描述

i我在asp.net中有一个gridview

现在我希望索引值按列名

如何这样做。



例如

i am having a gridview in asp.net
and now I want the index value by the column name
How to do it.

for example

productid   |  productname   |    Productcode  | edit  |  delete

当我写编辑时，它应该给我它的索引值[3]



这是可能的????



i尝试这样做

when i write Edit it should give me its index value [3]

is this possible????

i tries to do this

protected void GridView_RowDataBound(object sender, GridViewRowEventArgs e)
      {
          string columnValue = ((Label)e.Row.FindControl("imgEdit")).Text;
      }

但是它给了我错误

对象引用未设置为对象的实例











请帮助

问候

but it gives me error
"object reference not set to an instance of an object"





please help
Regards

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