C# 如何将GridView导出到C中的MS Access#

C# 如何将GridView导出到C中的MS Access#,c#,asp.net,C#,Asp.net,我想用C语言将网格导出到MS Access# 以下是我尝试过的代码: String accessConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0; Data Source=C:\\...\\test.accdb;"; String sqlConnectionString = ConfigurationManager.ConnectionStrings["College"].ConnectionString; SqlDataAdapte

我想用C语言将网格导出到MS Access#

以下是我尝试过的代码:

String accessConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0; Data Source=C:\\...\\test.accdb;"; 
String sqlConnectionString = ConfigurationManager.ConnectionStrings["College"].ConnectionString; 
SqlDataAdapter adapter1 = new SqlDataAdapter(); 
adapter1.Fill(dtFillGrid); 
ADOX.Catalog catalog = new ADOX.Catalog(); 
catalog.Create(accessConnectionString); 
OleDbConnection accessConnection = new OleDbConnection(accessConnectionString);
OleDbCommand command = new OleDbCommand(); 
command.Connection = accessConnection; 
command.CommandType = CommandType.Text; 
accessConnection.Open(); 
foreach (DataTable table in dtFillGrid.Rows) { 
    String columnsCommandText = "(";
    foreach (DataColumn column in table.Columns) { 
        String columnName = column.ColumnName; 
        String dataTypeName = column.DataType.Name; 
        String sqlDataTypeName = getSqlDataTypeName(dataTypeName); 
        columnsCommandText += "[" + columnName + "] " + sqlDataTypeName + ","; 
    }   
    columnsCommandText = columnsCommandText.Remove(columnsCommandText.Length - 1);   
    columnsCommandText += ")";
    command.CommandText = "CREATE TABLE " + table.TableName + columnsCommandText; 
    command.ExecuteNonQuery(); 
}
//This loop fills the database with all information 
foreach (DataTable table in dtFillGrid.Rows) { 
    foreach (DataRow row in table.Rows) { 
        String commandText = "INSERT INTO " + table.TableName + " VALUES (";
        foreach (var item in row.ItemArray) { 
            commandText += "'" + item.ToString() + "',";
        } 
        commandText = commandText.Remove(commandText.Length - 1); 
        commandText += ")"; 
        command.CommandText = commandText; command.ExecuteNonQuery(); 
    } 
} 
accessConnection.Close(); 

如何执行此操作?

我建议您创建MDB数据库,使用sql创建所需的表,然后在运行时绑定gridview,或者循环结果并执行批导入

请看这里:


这里我不是在MS Access中导出gridview,而是在以下代码的帮助下使用C#在MS Access中创建了一个数据库:

    ADOX.Catalog cat = new ADOX.Catalog();
    ADOX.Table table = new ADOX.Table();

    //Create the table and it's fields. 
    table.Name = "Table1";
    table.Columns.Append("PartNumber", ADOX.DataTypeEnum.adVarWChar, 6); // text[6]
    table.Columns.Append("AnInteger", ADOX.DataTypeEnum.adInteger, 10); // Integer 
    try
    {
        cat.Create("Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=d:/m2.accdb;" + "Jet OLEDB:Engine Type=5");
        cat.Tables.Append(table);
        OleDbConnection conn = new OleDbConnection("Provider=Microsoft.Jet.Oledb.4.0;" + "Data Source=d:/m2.accdb");
       conn.Open();

             OleDbCommand cmd = new OleDbCommand();
             cmd.Connection = conn;

             cmd.CommandText = "INSERT INTO Table1([PartNumber],[AnInteger]) VALUES (@FirstName,@LastName)";

             cmd.Parameters.Add("@FirstName", OleDbType.VarChar).Value = "neha";

             cmd.Parameters.Add("@LastName", OleDbType.VarChar).Value = 20;

             cmd.ExecuteNonQuery();

            conn.Close();                                 

    }
    catch (Exception ex)
    {
        result = false;
    }
    cat = null;

是的,我告诉大家,我们不需要通过gridview将数据导出到MS Access,我们可以直接使用C#

在MS Access中创建数据库,如果您在付款方面没有问题,您可以使用“Spire doc”将数据网格保存到msAccess中,如下所示:

private void btnExportToAccess_Click(object sender, EventArgs e)
{
    Spire.DataExport.Access.AccessExport accessExport = new              
    Spire.DataExport.Access.AccessExport();
    accessExport.DataSource = Spire.DataExport.Common.ExportSource.DataTable;
    accessExport.DataTable = this.dataGridView1.DataSource as DataTable;
    accessExport.DatabaseName = @"..\..\ToMdb.mdb";
    accessExport.TableName = "ExportFromDatatable";
    accessExport.SaveToFile();
}

还有一个链接,您可以在其中找到更多说明

您尝试过什么吗?web grid或win forms grid?是的,我尝试过以下代码:String accessConnectionString=“Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\\\…\\test.accdb;”;字符串sqlConnectionString=ConfigurationManager.ConnectionStrings[“College”].ConnectionString;SqlDataAdapter adapter1=新的SqlDataAdapter();适配器1.填充(dtFillGrid);ADOX.Catalog=new ADOX.Catalog();创建(accessConnectionString);OleDbConnection accessConnection=新的OleDbConnection(accessConnectionString);OLEDBCOMAND命令=新的OLEDBCOMAND();command.Connection=accessConnection;command.CommandType=CommandType.Text;accessConnection.Open();foreach(dtFillGrid.Rows中的DataTable表){String columnsCommandText=“(”)使用相关代码编辑您的问题,而不是将其发布在注释中。当我使用ADOX.Catalog cat=new ADOX.Catalog()时,请在此处发布;它显示了一些错误,例如:找不到类型或名称空间ADOX是的,我告诉大家,我们不需要通过gridview将数据导出到MS Access,我们可以使用C在MS Access中直接创建数据库#
private void btnExportToAccess_Click(object sender, EventArgs e)
{
    Spire.DataExport.Access.AccessExport accessExport = new              
    Spire.DataExport.Access.AccessExport();
    accessExport.DataSource = Spire.DataExport.Common.ExportSource.DataTable;
    accessExport.DataTable = this.dataGridView1.DataSource as DataTable;
    accessExport.DatabaseName = @"..\..\ToMdb.mdb";
    accessExport.TableName = "ExportFromDatatable";
    accessExport.SaveToFile();
}