zoukankan      html  css  js  c++  java
  • DataTable添加行的方法

    方法一:

    DataTable  tblDatas = new DataTable("Datas");

    DataColumn dc = null;

    dc = tblDatas.Columns.Add("ID", Type.GetType("System.Int32"));

    dc.AutoIncrement = true;//自动增加

    dc.AutoIncrementSeed = 1;//起始为1

    dc.AutoIncrementStep = 1;//步长为1

    dc.AllowDBNull = false;//

    dc = tblDatas.Columns.Add("Product", Type.GetType("System.String"));

    dc = tblDatas.Columns.Add("Version", Type.GetType("System.String"));

    dc = tblDatas.Columns.Add("Description", Type.GetType("System.String"));

    DataRow newRow;

    newRow = tblDatas.NewRow();

    newRow["Product"] = "水果刀";

    newRow["Version"] = "2.0";

    newRow["Description"] = "打架专用";

    tblDatas.Rows.Add(newRow);

    newRow = tblDatas.NewRow();

    newRow["Product"] = "折叠凳";

    newRow["Version"] = "3.0";

    newRow["Description"] = "行走江湖七武器之一";

    tblDatas.Rows.Add(newRow);

    方法二:

     DataTable tblDatas = new DataTable("Datas");

    tblDatas.Columns.Add("ID", Type.GetType("System.Int32"));

    tblDatas.Columns[0].AutoIncrement = true;

    tblDatas.Columns[0].AutoIncrementSeed = 1;

    tblDatas.Columns[0].AutoIncrementStep = 1;

    tblDatas.Columns.Add("Product", Type.GetType("System.String"));

    tblDatas.Columns.Add("Version", Type.GetType("System.String"));

    tblDatas.Columns.Add("Description", Type.GetType("System.String"));

    tblDatas.Rows.Add(new object[]{null,"a","b","c"});

    tblDatas.Rows.Add(new object[] { null, "a", "b", "c" });

    tblDatas.Rows.Add(new object[] { null, "a", "b", "c" });

    tblDatas.Rows.Add(new object[] { null, "a", "b", "c" });

    tblDatas.Rows.Add(new object[] { null, "a", "b", "c" });

  • 相关阅读:
    强制重置管理员密码
    Leetcode-Wildcard Matching
    Leetcode-Merge Intervals
    Leetcode-Insert Interval
    Leetcode-Recover BST
    Leetcode-Validate BST
    Leetcode-Same Tree
    Leetcode-Symmetric Tree
    Leetcode-Construct Binary Tree from inorder and postorder travesal
    Leetcode-Binary Tree Level Order Traversal II
  • 原文地址:https://www.cnblogs.com/hulang/p/1932725.html
Copyright © 2011-2022 走看看