C# 通过表1字段，对表2和表3做统计，提示form处语法错误，求解决。。。

Question

    using (DataCommand dc = new DataCommand())
    {
        string sqlWhere = "";
        dc.CommandText = @" 
        select zcry, 
            total_sum=(select COUNT(b.TableID) from table2 b 
            where a.zcry=b.create_user
                 and b.CreateTime>@StartDt and b.CreateTime<@EndDt   
            )  ,
            total_dfk=(select COUNT(b.TableID) from table3 b  
            where a.zcry=b.jlr and b.wgcl='数量1'
                 and b.CreateTime>@StartDt and b.CreateTime<@EndDt   
            )  ,
            total_gr=(select COUNT(b.TableID) from table3 b 
            where a.zcry=b.jlr and b.wgcl='数量2'
                 and b.CreateTime>@StartDt and b.CreateTime<@EndDt   
            )  ,
            total_zq=(select COUNT(b.TableID) from table3 b  
            where a.zcry=b.jlr and b.wgcl='数量3'
                 and b.CreateTime>@StartDt and b.CreateTime<@EndDt   
            )  ,
            total_hwb=(select COUNT(b.TableID) from table3 b 
            where a.zcry=b.jlr and b.wgcl='数量4'
                 and b.CreateTime>@StartDt and b.CreateTime<@EndDt   
            )  
        form table1 a where 1=1 ";
        dc.CommandText += sqlWhere + " group by zcry";
        dc.AddParameter("@StartDt", DbType.DateTime).Value = DateTime.Parse(startDP.Text);
        dc.AddParameter("@EndDt", DbType.DateTime).Value = DateTime.Parse(endDP.Text).AddDays(1);
        DataTable dt = dc.ExecuteDataTable();           
        int total_sum=Convert.ToInt32(dt.Compute("sum(total_sum)", ""));
        DataRow dr = dt.NewRow();
        dr[0]="合计";
        dr[1]=dt.Compute("sum(total_sum)", "");
        dr[2]=dt.Compute("sum(total_dfk)", "");
        dr[3]=dt.Compute("sum(total_gr)", "");
        dr[4]=dt.Compute("sum(total_zq)", "");
        dr[5]=dt.Compute("sum(total_hwb)", "");
        dt.Rows.Add(dr);
        grid1.DataSource = dt;
        grid1.DataBind();
    }

Answer 1

form 表格
from 从...

这里是from

请先去补习英语（起码达到初中以上），然后再学编程。