我正在尝试仅将DataGridView的选定行添加到DataTable,即使没有选择该行,我使用的代码也总是从第一行开始。有人对如何解决此问题有想法吗?请?

 DataTable dt = new DataTable("Rapport");

            //Generating columns to datatable:
            foreach (DataGridViewColumn column in dataGridView1.Columns)
                dt.Columns.Add(column.Name, typeof(string));

            //Adding selected rows of DGV to DataTable:
            for (int i = 0; i < dataGridView1.SelectedRows.Count; i++)
            {
                dt.Rows.Add();
                for (int j = 0; j < dataGridView1.Columns.Count; j++)
                {
                    dt.Rows[i][j] = dataGridView1[j, i].Value;
                }
            }

最佳答案

您必须像这样访问SelectedRows

dt.Rows[i][j] = dataGridView1.SelectedRows[i].Cells[j].Value;

如果您的DataTable具有与Cell相同的类型,则效果也更好
DataTable dt = new DataTable();
 foreach (DataGridViewColumn column in dataGridView1.Columns)
    dt.Columns.Add(column.Name, column.CellType); //better to have cell type

因此,您的代码将是:
DataTable dt = new DataTable();
foreach (DataGridViewColumn column in dataGridView1.Columns)
    dt.Columns.Add(column.Name, column.CellType); //better to have cell type
for (int i = 0; i < dataGridView1.SelectedRows.Count; i++)
{
     dt.Rows.Add();
     for (int j = 0; j < dataGridView1.Columns.Count; j++)
     {
         dt.Rows[i][j] = dataGridView1.SelectedRows[i].Cells[j].Value;
                                   //^^^^^^^^^^^
     }
 }

关于c# - DataGridView将选定的行添加到DataTable,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/19639641/

10-12 07:26