主页 / 问题 / 985588
Accepted
Daniel Dashkevich
Asked:2020-05-26 02:44:46 +0000 UTC2020-05-26 02:44:46 +0000 UTC

在datagridview中使用组合框更改单元格

  • 772

有一个填写表格的代码。但是我不知道如何在“供应商”列中的组合框中的值发生变化时强制“供应商代码”列中的值发生变化。我将不胜感激提示和帮助。

conn = new OleDbConnection(conn_string);
conn.Open();
OleDbCommand command = new OleDbCommand();
command.Connection = conn;
string query = "select Договор.*, Поставщики.Название from Договор, Поставщики where Договор.[Код поставщика] = Поставщики.[Код поставщика] order by [№ договора]";
command.CommandText = query;

OleDbDataAdapter da = new OleDbDataAdapter(command);
dt = new DataTable();
da.Fill(dt);
Поставщики.DisplayMember = "Название";
Поставщики.ValueMember = "Код поставщика";
Поставщики.DataSource = dt;
dataGridView1.DataSource=dt;
this.dataGridView1.Columns["Название"].ReadOnly = true;
conn.Close();
c#

1 个回答

  1. Best Answer

    结果是这样的

    
DataSet dataSet = new DataSet();
OleDbDataAdapter dataAdapter = new OleDbDataAdapter();
OleDbDataAdapter dataAdapter1 = new OleDbDataAdapter();

string query = "select * from Договор";
string query1 = "select * from Поставщики";

conn = new OleDbConnection(conn_string);

dataAdapter.SelectCommand = new OleDbCommand(query, conn);
dataAdapter1.SelectCommand = new OleDbCommand(query1, conn);

dataAdapter.TableMappings.Add("Table", "Договор");
dataAdapter1.TableMappings.Add("Table", "Поставщики");

dataAdapter.Fill(dataSet);
dataAdapter1.Fill(dataSet);

BindingSource dogSource = new BindingSource();
dogSource.DataSource = dataSet;
dogSource.DataMember = "Договор";
dataGridView1.DataSource = dogSource;

BindingSource postSource = new BindingSource();
postSource.DataSource = dataSet;
postSource.DataMember = "Поставщики";

DataGridViewComboBoxColumn comboColumn = new DataGridViewComboBoxColumn();
comboColumn.HeaderText = "Поставщики";
comboColumn.DataSource = postSource;

comboColumn.DataPropertyName = "Код поставщика";

comboColumn.DisplayMember = "Название";

comboColumn.ValueMember = "Код поставщика";
    • 0

相关问题