我有两个表:列和表(外键 - 表ID)。我想用combobox在dataGridView中显示列。在要显示的组合框中,相关表格(名称表格)和选定的项目是按列设置的值。在DataGridViewComboBoxColumn中设置selectedValue
List<columns> columns = DataLoader.GetColumns();
List<tables> tables = DataLoader.GetTables();
this.editingDataGridView.DataSource = columns; // my dataGridView
DataGridViewComboBoxColumn comboBoxColumn = new DataGridViewComboBoxColumn();
comboBoxColumn.DisplayMember = "Table_Name";
comboBoxColumn.ValueMember = "Table_ID";
comboBoxColumn.DataSource = tables;
//add combobox column in dataGrid
this.editingDataGridView.Columns.Add(comboBoxColumn);
//AND this i want set value
int index = this.editingDataGridView.Columns.IndexOf(comboBoxColumn);
for (int i = 0; i < columns.Count; i++)
{
this.editingDataGridView.Rows[i].Cells[index].Value = columns[i].Table_ID;
}
运行后,我得到的GridView与组合框柱与数据源,但没有选择默认值!
所选值取决于当前行底层数据源。什么是你想要的默认值? –
包含在字段Table_ID的列表列中。我在循环中添加combobxColumn后(对于每个comboboCell,我从列列表中设置值)执行此操作 – isxaker
@KingKing示例,在对象列中,我有字段Table_id = 1,将数据源加载到组合框后,我希望所选值等于1! – isxaker