将DGV中的列修改为绑定到数据库的组合框
本文关键字:数据库 组合 绑定 修改 DGV | 更新日期: 2023-09-27 18:15:18
我创建了一个名为"FamilyView"的视图来连接两个表(Families和SStatus),并将第一个表(Families)中的id替换为第二个表(SStatus)中存在的名称(该列现在称为"Status")
这个视图现在显示在一个数据视图中,用户可以修改
Sda = new SqlDataAdapter("Select * from FamilyView",con);
Sda.Fill(ds);
dg.DataSource = ds.Tables[0];
dg.Refresh();
我想要的是将列单元格"状态"转换为包含来自SStatus的所有名称的组合框
SqlDataAdapter sadapter = new SqlDataAdapter("Select * From SStatus", con);
DataSet ds1 = new DataSet();
sadapter.Fill(ds1);
我发现了这个代码:
DataGridViewComboBoxCell ComboColumn = (DataGridViewComboBoxCell)(dg.Rows[i].Cells[0]);
ComboColumn.DataSource = ds1.Tables[0];
ComboColumn.DisplayMember = "Name";
但是我不能替换单元格
和这段代码,但我不确定如何使用它:
添加绑定组合框到datagridview
BindingSource StatusBD = new BindingSource();
StatusBD.DataSource = ds1;
DataGridViewComboBoxColumn colType = new DataGridViewComboBoxColumn();
colType.HeaderText = "Status";
colType.DropDownWidth = 90;
colType.Width = 90;
//colType.DataPropertyName = "Name";
colType.DataSource = ds;
colType.DisplayMember = "Name";
colType.ValueMember = "IdStatus";
dg.Columns.Insert(dg.Columns.GetColumnCount(DataGridViewElementStates.None) - 1, colType);
你的数据源是空的:它应该包含2个表:一个是SStatus,一个是Families。
然后在你的帖子中跟随我的as:
DataGridViewComboBoxColumn colType = new DataGridViewComboBoxColumn();
BindingSource wizardBindingSource = new BindingSource();
wizardBindingSource.DataSource = dataSet;
wizardBindingSource.DataMember = "protocol"; // This is the table in the set
colType.HeaderText = "Type";
colType.DropDownWidth = 90;
colType.Width = 90;
colType.DataPropertyName = "wizardProtocol";
colType.DataSource = wizardBindingSource;
colType.DisplayMember = "protocolName";
colType.ValueMember = "idprotocols"
此处idProtocol(在"pcap"表中作为protocol引用)被映射到protocolName