原文地址为:
DataGridView 数据绑定的一般过程
但在多数情况下,都将绑定到一个 BindingSource 组件,由该组件来管理与数据源交互的详细信息。 BindingSource 组件可表示任何 Windows 窗体数据源,并在选择或修改数据位置时提供很大的灵活性。
1、实现一个用于处理数据库数据检索的详细信息的方法。下面的代码示例实现一个 GetData 方法,该方法对一个 SqlDataAdapter 组件进行初始化,并使用该组件填充 DataTable。然后,将 DataTable 绑定到 BindingSource 组件。请确保将 connectionString 变量的值设置为与数据库相应的值。
private
void
GetData(
string
selectCommand)
![ExpandedBlockStart.gif](/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
try
![ExpandedSubBlockStart.gif](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
String connectionString =
"Integrated Security=SSPI;Persist Security Info=False;" +
"Initial Catalog=Northwind;Data Source=localhost";
dataAdapter = new SqlDataAdapter(selectCommand, connectionString);
![InBlock.gif](/Images/OutliningIndicators/InBlock.gif)
SqlCommandBuilder commandBuilder = new SqlCommandBuilder(dataAdapter);
![InBlock.gif](/Images/OutliningIndicators/InBlock.gif)
DataTable table = new DataTable();
table.Locale = System.Globalization.CultureInfo.InvariantCulture;
dataAdapter.Fill(table);
bindingSource1.DataSource = table;
![InBlock.gif](/Images/OutliningIndicators/InBlock.gif)
dataGridView1.AutoResizeColumns(
DataGridViewAutoSizeColumnsMode.AllCellsExceptHeader);
}
catch (SqlException)
![ExpandedSubBlockStart.gif](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
MessageBox.Show("To run this example, replace the value of the " +
"connectionString variable with a connection string that is " +
"valid for your system.");
}
}
2、在窗体的 Load 事件处理程序中,将 DataGridView 控件绑定到 BindingSource 组件,并调用 GetData 方法从数据库中检索数据
private
void
Form1_Load(
object
sender, System.EventArgs e)
![ExpandedBlockStart.gif](/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
dataGridView1.DataSource = bindingSource1;
GetData("select * from Customers");
}
转MSDN
转载请注明本文地址: DataGridView 数据绑定的一般过程
但在多数情况下,都将绑定到一个 BindingSource 组件,由该组件来管理与数据源交互的详细信息。 BindingSource 组件可表示任何 Windows 窗体数据源,并在选择或修改数据位置时提供很大的灵活性。
1、实现一个用于处理数据库数据检索的详细信息的方法。下面的代码示例实现一个 GetData 方法,该方法对一个 SqlDataAdapter 组件进行初始化,并使用该组件填充 DataTable。然后,将 DataTable 绑定到 BindingSource 组件。请确保将 connectionString 变量的值设置为与数据库相应的值。
![None.gif](/Images/OutliningIndicators/None.gif)
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![InBlock.gif](/Images/OutliningIndicators/InBlock.gif)
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![ExpandedSubBlockEnd.gif](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![InBlock.gif](/Images/OutliningIndicators/InBlock.gif)
![ExpandedSubBlockStart.gif](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
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![dot.gif](/Images/dot.gif)
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![ExpandedSubBlockEnd.gif](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![ExpandedBlockEnd.gif](/Images/OutliningIndicators/ExpandedBlockEnd.gif)
2、在窗体的 Load 事件处理程序中,将 DataGridView 控件绑定到 BindingSource 组件,并调用 GetData 方法从数据库中检索数据
![None.gif](/Images/OutliningIndicators/None.gif)
![ExpandedBlockStart.gif](/Images/OutliningIndicators/ExpandedBlockStart.gif)
![ContractedBlock.gif](/Images/OutliningIndicators/ContractedBlock.gif)
![dot.gif](/Images/dot.gif)
![InBlock.gif](/Images/OutliningIndicators/InBlock.gif)
![InBlock.gif](/Images/OutliningIndicators/InBlock.gif)
![ExpandedBlockEnd.gif](/Images/OutliningIndicators/ExpandedBlockEnd.gif)
转MSDN
转载请注明本文地址: DataGridView 数据绑定的一般过程