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//获取Access数据库表名
public void GetTableName()
{
string connString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + @"C:\信息技术考试成绩.mdb";
OleDbConnection conn = new OleDbConnection(connString);
conn.Open();
DataTable dt = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" });
conn.Close();
int n = dt.Rows.Count;
string[] tableName = new string[n];
int m = dt.Columns.IndexOf("TABLE_NAME");
for (int i = 0; i < n; i++)
{
DataRow dr = dt.Rows[i];
tableName[i] = dr.ItemArray.GetValue(m).ToString();
this.cbxtable.Items.Add(tableName[i].ToString());
}
this.cbxtable.SelectedIndex = 0;
}
/// <summary>
/// 返回某一表的所有字段名
/// </summary>
public List<string> GetTableColumn(string tableName)
{
string connString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + @"C:\信息技术考试.mdb";
OleDbConnection conn = new OleDbConnection(connString);
List<string> list = new List<string>();
DataTable dt = new DataTable();
try
{
conn.Open();
dt = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Columns, new object[] { null, null, tableName, null });
int n = dt.Rows.Count;
string[] strTable = new string[n];
int m = dt.Columns.IndexOf("COLUMN_NAME");
for (int i = 0; i < n; i++)
{
DataRow dr = dt.Rows[i];
list.Add(dr.ItemArray.GetValue(m).ToString());
}
return list;
}
catch (Exception ex)
{
throw ex;
}
finally
{
conn.Close();
}
}
private void button3_Click(object sender, EventArgs e)
{
string str = this.cbxtable.SelectedItem.ToString();
{
List<string> lst = GetTableColumn(str);
listBox1.DataSource = lst;
}
}
