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C# DataTable.NewRow方法代码示例

本文整理汇总了C#中System.Data.DataTable.NewRow方法的典型用法代码示例。如果您正苦于以下问题:C# DataTable.NewRow方法的具体用法?C# DataTable.NewRow怎么用?C# DataTable.NewRow使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在System.Data.DataTable的用法示例。


在下文中一共展示了DataTable.NewRow方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: MakeDataTableAndDisplay

private void MakeDataTableAndDisplay()
   {
       // Create new DataTable and DataSource objects.
       DataTable table = new DataTable();

       // Declare DataColumn and DataRow variables.
       DataColumn column;
       DataRow row; 
       DataView view;

       // Create new DataColumn, set DataType, ColumnName and add to DataTable.    
       column = new DataColumn();
       column.DataType = System.Type.GetType("System.Int32");
       column.ColumnName = "id";
       table.Columns.Add(column);

       // Create second column.
       column = new DataColumn();
       column.DataType = Type.GetType("System.String");
       column.ColumnName = "item";
       table.Columns.Add(column);

       // Create new DataRow objects and add to DataTable.    
       for(int i = 0; i < 10; i++)
       {
           row = table.NewRow();
           row["id"] = i;
           row["item"] = "item " + i.ToString();
           table.Rows.Add(row);
       }

       // Create a DataView using the DataTable.
       view = new DataView(table);

       // Set a DataGrid control's DataSource to the DataView.
       dataGrid1.DataSource = view;
   }
开发者ID:.NET开发者,项目名称:System.Data,代码行数:37,代码来源:DataTable.NewRow

示例2: DataTable.NewRow()

//引入命名空间
using System;
using System.Data;
using System.Data.SqlClient;

    public class CreatingDataTablesandPopulatingThem
    {
        static void Main(string[] args)
        {
            SqlConnection MyConnection = new SqlConnection(@"Data Source=(local); Initial Catalog = CaseManager; Integrated Security=true");
            SqlDataAdapter MyAdapter = new SqlDataAdapter("SELECT * FROM CaseInfo", MyConnection);
            DataSet MyDataSet = new DataSet();

            //Create a new DataTable
            DataTable MyTable2 = MyDataSet.Tables.Add("My2ndTable");

            //Adding Columns and Rows
            DataColumn myColumn = new DataColumn();

            myColumn.DataType = System.Type.GetType("System.Decimal");
            myColumn.AllowDBNull = false;
            myColumn.Caption = "Price";
            myColumn.ColumnName = "Price";
            myColumn.DefaultValue = 25;

            // Add the column to the table. 
            MyTable2.Columns.Add(myColumn);

            // Add 10 rows and set values. 
            DataRow myRow;

            for (int i = 0; i < 10; i++)
            {
                myRow = MyTable2.NewRow();
                myRow[0] = i + 1;

                // Be sure to add the new row to the DataRowCollection. 
                MyTable2.Rows.Add(myRow);
            }

            SqlCommandBuilder Builder = new SqlCommandBuilder(MyAdapter);

            MyAdapter.Update(MyDataSet, "My2ndTable");
        }
    }
开发者ID:C#程序员,项目名称:System.Data,代码行数:45,代码来源:DataTable.NewRow


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