如何在数据集中合并2个动态数据表,如下图所示 [英] How to Merge 2 Dynamic data tables in a dataset as shown below image
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问题描述
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.OleDb;
public partial class _Default : System.Web.UI.Page
{
OleDbConnection cn;
DataSet ds;
OleDbDataAdapter oda1,oda2;
DataTable dt1,dt2,dt3;
DataRow dr;
DataColumn c1, c2, c3,c4,c5,c6;
protected void Page_Load(object sender, EventArgs e)
{
cn = new OleDbConnection("provider = Microsoft.Jet.OLEDB.4.0; data source = c:\\db1.mdb");
cn.Open();
ds = new DataSet();
oda1 = new OleDbDataAdapter("select * from emp", cn);
oda1.Fill(ds, "emp");
oda2 = new OleDbDataAdapter("select * from dept", cn);
oda2.Fill(ds, "dept");
}
protected void Button1_Click(object sender, EventArgs e)
{
GridView1.DataSource = ds.Tables[0].DefaultView;
GridView2.DataSource = ds.Tables[1].DefaultView;
GridView1.DataBind();
GridView2.DataBind();
GridView1.Visible = true;
GridView2.Visible = true;
}
protected void Button2_Click(object sender, EventArgs e)
{
dt1 = new DataTable();
dt1.TableName = "T1";
dt2 = new DataTable("T2");
dt3 = new DataTable("T3");
c1 = new DataColumn("eName");
c2 = new DataColumn("eId");
c3 = new DataColumn("Did");
c4 = new DataColumn("Did");
c5 = new DataColumn("dName");
c6 = new DataColumn("dAddress");
dt1.Columns.Add(c1); dt1.Columns.Add(c2);
dt1.Columns.Add(c3);
dt2.Columns.Add(c4);
dt2.Columns.Add(c5);
dt2.Columns.Add(c6);
for (int i = 0; i < 5; i++)
{
dr = dt1.NewRow();
dr[0] = "a" + i;
dr[1] = "b" + i;
dr[2] = "c" + i;
dt1.Rows.Add(dr);
}
ds.Tables.Add(dt1);
for (int i = 0; i < 5; i++)
{
dr = dt2.NewRow();
dr[0] = "c" + i;
dr[1] = "x" + i;
dr[2] = "y" + i;
dt2.Rows.Add(dr);
}
ds.Tables.Add(dt2);
GridView1.DataSource = ds.Tables["T1"].DefaultView;
GridView1.DataBind();
GridView2.DataSource = ds.Tables["T2"].DefaultView;
GridView2.DataBind();
GridView1.Visible = true;
GridView2.Visible = true;
dt1.Merge(dt2, false, MissingSchemaAction.AddWithKey);
GridView3.DataSource = dt1;
GridView3.DataBind();
GridView3.Visible = true;
}
protected void Button2_Click1(object sender, EventArgs e)
{
}
}
我需要将这个程序放下,如下图所示
在此处查看图像或http://www.freeimagehosting.net/uploads/a93c18e8eb.jpg
当iam创建2个动态表,其中1个公共列中加载了动态数据时,iam合并这2个表时
输出就像链接中的图像
请帮我解决这个问题
预先感谢一百万.
i need out put of this programe as shown in image below
See here for image or http://www.freeimagehosting.net/uploads/a93c18e8eb.jpg
When iam creating 2 dynamic tables with 1 common column loaded with dynamic data in it and when iam merging this 2 tables
the out put is like the image in the link
please do help me solving this problem
thanks a million in advance
推荐答案
iam试图制作2个动态表,并希望使用公用列"did"合并它们,但输出不明确
iam trying to make 2 dynamic tables and want to merge them using common column "did" but out put is not clear
emp dept
eno ename did did dname daddress
1 sa 10 10 IT Hyd
2 sam 20 20 Phy Hyd
3 ram 30 30 Bio Hyd
now i need out put as
comb
eno ename did dname daddress
1 sa 10 IT Hyd
2 sam 20 Phy Hyd
3 ram 30 Bio Hyd
but out put is coming like this
comb
eno ename did dname daddress
1 sa 10
2 sam 20
3 ram 30
10 IT Hyd
20 Phy Hyd
30 Bio Hyd
and the code is mentioned above
is there any coding or solution to get the desired output
有什么帮助,请那里的任何人来帮助我/............
any help please any one there to help me /............
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