C# 两个字段值在运行时绑定到一个xrlabel
我的报告与C# 两个字段值在运行时绑定到一个xrlabel,c#,winforms,devexpress,xtrareport,C#,Winforms,Devexpress,Xtrareport,我的报告与数据表绑定。我想在标签中显示两个字段值 private void Form1_Load(object sender, EventArgs e) { using (rptCustomer rpt = new rptCustomer()) { rpt.DataSource = CreateTestData(); rpt.DataMember = CreateTestData().TableName; rpt.xrLabel.
数据表
绑定。我想在标签中显示两个字段值
private void Form1_Load(object sender, EventArgs e)
{
using (rptCustomer rpt = new rptCustomer())
{
rpt.DataSource = CreateTestData();
rpt.DataMember = CreateTestData().TableName;
rpt.xrLabel.Text = "[CustomerID] - [CustomerName]"; // it's doesn't work
//rpt.xrLabel.DataBindings.Add("Text", null, "Customer.CustomerID"); -- it's work
rpt.xrCustomerID.DataBindings.Add("Text", null, "Customer.CustomerID");
rpt.xrCustomerName.DataBindings.Add("Text", null, "Customer.CustomerName");
rpt.xrCustomerAddress.DataBindings.Add("Text", null, "Customer.Address");
rpt.ShowPreviewDialog();
}
}
public DataTable CreateTestData()
{
DataTable dt = new DataTable("Customer");
dt.Columns.Add("CustomerID");
dt.Columns.Add("CustomerName");
dt.Columns.Add("Address");
for (int i = 1; i <= 10; i++)
{
DataRow row = dt.NewRow();
row[0] = i;
row[1] = "Customer " + i;
row[2] = "Address " + i;
dt.Rows.Add(row);
}
return dt;
}
private void Form1\u加载(对象发送方,事件参数e)
{
使用(rptCustomer rpt=new rptCustomer())
{
rpt.DataSource=CreateTestData();
rpt.DataMember=CreateTestData().TableName;
rpt.xrLabel.Text=“[CustomerID]-[CustomerName]”;//它不起作用
//rpt.xrLabel.DataBindings.Add(“Text”,null,“Customer.CustomerID”);--这是工作
添加(“Text”,null,“Customer.CustomerID”);
rpt.xrCustomerName.DataBindings.Add(“Text”,null,“Customer.CustomerName”);
rpt.xrcstomeraddress.DataBindings.Add(“Text”,null,“Customer.Address”);
rpt.ShowPreviewDialog();
}
}
公共数据表CreateTestData()
{
DataTable dt=新的DataTable(“客户”);
dt.列。添加(“客户ID”);
dt.列。添加(“客户名称”);
dt.列。添加(“地址”);
对于(int i=1;i您需要使用DataSet
对象作为报表的数据源。
下面是一个例子:
using (rptCustomer rpt = new rptCustomer())
{
var dataSet = new DataSet("TestDataSet");
var table = CreateTestData();
dataSet.Tables.Add(table);
rpt.DataSource = dataSet;
rpt.DataMember = table.TableName;
rpt.xrLabel.Text = "[CustomerID] - [CustomerName]"; // Suddenly, it's work.
//rpt.xrLabel.DataBindings.Add("Text", null, "Customer.CustomerID"); -- It's work too.
rpt.xrCustomerID.DataBindings.Add("Text", null, "Customer.CustomerID");
rpt.xrCustomerName.DataBindings.Add("Text", null, "Customer.CustomerName");
rpt.xrCustomerAddress.DataBindings.Add("Text", null, "Customer.Address");
rpt.ShowPreviewDialog();
}