Winforn import Excel and displays the checkbox and then get selected content

Scenes

Use NPOI import Excel and assigned to the DataTable, and then displayed on DataGrdView, and add a check box, and then get the contents of the selected row.

Winform NPOI use Excel to import and implement assigned to the DataTable:

https://blog.csdn.net/BADAO_LIUMANG_QIZHI/article/details/100064821

effect

 

achieve

In the above has been successfully imported and assigned to on the basis of DataTables, add checkbox on DataGridView.

The following code is added to the click event of the second button, the data source to generate the title dataTable add a multiple choice list.

 

DataGridViewColumn checkCol = new DataGridViewCheckBoxColumn();
this.dataGridView1.Columns.Add(checkCol);

 

Then click on the event's third button

Private  void the button4_Click ( Object SENDER, EventArgs E) 
        { 
            
            
            int strCount = 0 ;
             // firstly acquired in the first cycle of the selected number of rows 
            for ( int I = 0 ; I <dataGridView1.Rows.Count; I ++ ) 
            { 
                // if It is selected 
                IF (( BOOL ) dataGridView1.Rows [I] .Cells [ 0 ] == .EditedFormattedValue to true ) 
                { 
                    strCount ++ ; 
                } 
            } 
            // array to store the new length of each selected row
            String [] = STR new new  String [strCount];
             for ( int I = 0 ; I <dataGridView1.Rows.Count; I ++ ) 
            { 
                IF (( BOOL ) dataGridView1.Rows [I] .Cells [ 0 ] == .EditedFormattedValue to true ) 
                { 
                    // get the first cell of the current row + @ + content of the second cell 
                    STR [I] = dataGridView1.Rows [I] .Cells [ . 1 ] .Value.ToString () + " @ " + dataGridView1.Rows [I] .Cells [ 2 ] .Value.ToString (); 
                } 
            }
            // output the contents of all rows selected 
            for ( int I = 0 ; I <str.length; I ++ ) 
            { 
                MessageBox.Show ( String .Format ( " acquired as the {0}: " , I + . 1 ) + STR [ I]); 
            } 
            
        }

 

Sample code download

https://download.csdn.net/download/badao_liumang_qizhi/11612423