Data structures 填充数据集时,如何在winform中显示带有进度计算的进度条?
这是我的代码,我想在datagridview中填充数据集和导入数据时加载一个进度条 私有无效btnLoad\u Clickobject发送者,事件参数e {Data structures 填充数据集时,如何在winform中显示带有进度计算的进度条?,data-structures,progress-bar,winforms-interop,Data Structures,Progress Bar,Winforms Interop,这是我的代码,我想在datagridview中填充数据集和导入数据时加载一个进度条 私有无效btnLoad\u Clickobject发送者,事件参数e { string str="select Cert_ID,Card_Number,Name,DOB,Mobile,Gender,Relation "; str = str + " from dbo.beneficiary"; SqlConnection conn = null;
string str="select Cert_ID,Card_Number,Name,DOB,Mobile,Gender,Relation ";
str = str + " from dbo.beneficiary";
SqlConnection conn = null;
SqlDataAdapter sqlda = null;
DataSet res = new DataSet();
DataTable dt = new DataTable();
try
{
_connectionString = "xyz.........";
conn = new SqlConnection(_connectionString);
conn.Open();
SqlCommand command = new SqlCommand(str, conn);
sqlda = new SqlDataAdapter(command);
sqlda.Fill(res);
dataGridView1.DataSource=res.Tables[0];
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
finally
{
conn.Close();
}
}