C#winform Displays the contents of the first column cell of the selected row, DataGridView control

1 UI

2 Code

1 usingSystem;2 usingSystem.Collections.Generic;3 usingSystem.ComponentModel;4 usingSystem.Data;5 usingSystem.Drawing;6 usingSystem.Linq;7 usingSystem.Text;8 usingSystem.Threading.Tasks;9 usingSystem.Windows.Forms;Ten  One namespaceWindowsFormsApplication1 A { -      Public Partial classForm1:form -     { the          PublicForm1 () -         { - InitializeComponent (); -         } +  -         Private voidForm1_Load (Objectsender, EventArgs e) +         { A  atlist<test> datas =NewList<test>(); -Datas. ADD (NewTest () {Name ="Dry", age ="1" }); -  -             //binding Data -Datagridview1.datasource =datas; -             in         } -         classTest to         { +             Private string_name; -             Private string_age; the  *              Public stringName $             {Panax Notoginseng                 Get -                 { the                     return_name; +                 } A  the                 Set +                 { -_name =value; $                 } $             } -  -              Public string Age the             { -                 GetWuyi                 { the                     return_age; -                 } Wu  -                 Set About                 { $_age =value; -                 } -             } -         } A  +         Private voidButton1_Click (Objectsender, EventArgs e) the         { -             //Datagirdview Control selects the last row of multiple rows the first cell value string expression $             stringContent = datagridview1.selectedrows[0]. cells[0]. Value.tostring (); the MessageBox.Show (content); the  the             //in some cases, the order of the columns does not correspond to the 0 1 2 index values.  the             //I wrote in another program, the index value of the first column is 1, and the second column is 0. I don't understand. -         } in     } the}

3 Show

The problem that the column does not correspond to the index value appears in the order of the property members of the class. Can make a test.

C#winform Displays the contents of the first column cell of the selected row, DataGridView control